diff --git a/geneit_backend/migrations/2023-05-24-102711_create_users/up.sql b/geneit_backend/migrations/2023-05-24-102711_create_users/up.sql
index 5492d1a..6273629 100644
--- a/geneit_backend/migrations/2023-05-24-102711_create_users/up.sql
+++ b/geneit_backend/migrations/2023-05-24-102711_create_users/up.sql
@@ -68,17 +68,20 @@ CREATE TABLE members (
 );
 
 CREATE TABLE couples (
-    wife integer NOT NULL REFERENCES members,
-    husband integer NOT NULL REFERENCES members,
+    id SERIAL PRIMARY KEY,
+    family_id integer NOT NULL REFERENCES families,
+    wife integer NULL REFERENCES members,
+    husband integer NULL REFERENCES members,
+    state varchar(1) NULL,
     photo_id INTEGER NULL REFERENCES photos ON DELETE SET NULL,
+    time_create BIGINT NOT NULL,
+    time_update BIGINT NOT NULL,
     wedding_year smallint NULL,
     wedding_month smallint NULL,
     wedding_day smallint NULL,
     divorce_year smallint NULL,
     divorce_month smallint NULL,
-    divorce_day smallint NULL,
-
-    PRIMARY KEY(wife, husband)
+    divorce_day smallint NULL
 );
 
 -- Create views
diff --git a/geneit_backend/src/controllers/couples_controller.rs b/geneit_backend/src/controllers/couples_controller.rs
new file mode 100644
index 0000000..792a8d6
--- /dev/null
+++ b/geneit_backend/src/controllers/couples_controller.rs
@@ -0,0 +1,99 @@
+use crate::controllers::members_controller::RequestDate;
+use crate::controllers::HttpResult;
+use crate::extractors::family_extractor::FamilyInPath;
+use crate::models::{Couple, CoupleState, MemberID};
+use crate::services::{couples_service, members_service};
+use actix_web::{web, HttpResponse};
+
+serde_with::with_prefix!(prefix_wedding "wedding_");
+serde_with::with_prefix!(prefix_divorce "divorce_");
+
+#[derive(thiserror::Error, Debug)]
+enum CoupleControllerErr {
+    #[error("Wife and husband are identical!")]
+    IdenticalWifeHusband,
+    #[error("Wife does not exist!")]
+    WifeNotExisting,
+    #[error("Husband does not exist!")]
+    HusbandNotExisting,
+    #[error("Invalid date of wedding")]
+    MalformedDateOfWedding,
+    #[error("Invalid date of divorce")]
+    MalformedDateOfDivorce,
+}
+
+#[derive(serde::Deserialize)]
+pub struct CoupleRequest {
+    wife: Option<MemberID>,
+    husband: Option<MemberID>,
+    state: Option<CoupleState>,
+    #[serde(flatten, with = "prefix_wedding")]
+    wedding: Option<RequestDate>,
+    #[serde(flatten, with = "prefix_divorce")]
+    divorce: Option<RequestDate>,
+}
+
+impl CoupleRequest {
+    pub async fn to_couple(self, couple: &mut Couple) -> anyhow::Result<()> {
+        if let Some(wife) = self.wife {
+            if !members_service::exists(couple.family_id(), wife).await? {
+                return Err(CoupleControllerErr::WifeNotExisting.into());
+            }
+
+            if self.wife == self.husband {
+                return Err(CoupleControllerErr::IdenticalWifeHusband.into());
+            }
+        }
+
+        if let Some(husband) = self.husband {
+            if !members_service::exists(couple.family_id(), husband).await? {
+                return Err(CoupleControllerErr::HusbandNotExisting.into());
+            }
+        }
+
+        if let Some(d) = &self.wedding {
+            if !d.check() {
+                return Err(CoupleControllerErr::MalformedDateOfWedding.into());
+            }
+        }
+
+        if let Some(d) = &self.divorce {
+            if !d.check() {
+                return Err(CoupleControllerErr::MalformedDateOfDivorce.into());
+            }
+        }
+
+        couple.set_wife(self.wife);
+        couple.set_husband(self.husband);
+        couple.set_state(self.state);
+
+        couple.wedding_year = self.wedding.as_ref().map(|m| m.year).unwrap_or_default();
+        couple.wedding_month = self.wedding.as_ref().map(|m| m.month).unwrap_or_default();
+        couple.wedding_day = self.wedding.as_ref().map(|m| m.day).unwrap_or_default();
+
+        couple.divorce_year = self.divorce.as_ref().map(|m| m.year).unwrap_or_default();
+        couple.divorce_month = self.divorce.as_ref().map(|m| m.month).unwrap_or_default();
+        couple.divorce_day = self.divorce.as_ref().map(|m| m.day).unwrap_or_default();
+
+        Ok(())
+    }
+}
+
+/// Create a new couple
+pub async fn create(m: FamilyInPath, req: web::Json<CoupleRequest>) -> HttpResult {
+    let mut couple = couples_service::create(m.family_id()).await?;
+
+    if let Err(e) = req.0.to_couple(&mut couple).await {
+        log::error!("Failed to apply couple information! {e}");
+        couples_service::delete(&mut couple).await?;
+        return Ok(HttpResponse::BadRequest().body(e.to_string()));
+    }
+
+    if let Err(e) = couples_service::update(&mut couple).await {
+        log::error!("Failed to update couple information! {e}");
+        couples_service::delete(&mut couple).await?;
+        return Ok(HttpResponse::InternalServerError().finish());
+    }
+
+    Ok(HttpResponse::Ok().json(couple))
+}
diff --git a/geneit_backend/src/controllers/mod.rs b/geneit_backend/src/controllers/mod.rs
index aff2be5..a5b5307 100644
--- a/geneit_backend/src/controllers/mod.rs
+++ b/geneit_backend/src/controllers/mod.rs
@@ -5,6 +5,7 @@ use actix_web::HttpResponse;
 use std::fmt::{Debug, Display, Formatter};
 
 pub mod auth_controller;
+pub mod couples_controller;
 pub mod families_controller;
 pub mod members_controller;
 pub mod photos_controller;
diff --git a/geneit_backend/src/main.rs b/geneit_backend/src/main.rs
index 5957862..f9b1a2f 100644
--- a/geneit_backend/src/main.rs
+++ b/geneit_backend/src/main.rs
@@ -6,8 +6,8 @@ use actix_web::{web, App, HttpServer};
 use geneit_backend::app_config::AppConfig;
 use geneit_backend::connections::s3_connection;
 use geneit_backend::controllers::{
-    auth_controller, families_controller, members_controller, photos_controller, server_controller,
-    users_controller,
+    auth_controller, couples_controller, families_controller, members_controller,
+    photos_controller, server_controller, users_controller,
 };
 
 #[actix_web::main]
@@ -162,6 +162,12 @@ async fn main() -> std::io::Result<()> {
                 "/family/{id}/member/{member_id}/photo",
                 web::delete().to(members_controller::remove_photo),
             )
+            // Couples controller
+            .route(
+                "/family/{id}/couple/create",
+                web::post().to(couples_controller::create),
+            )
+            // Photos controller
             .route(
                 "/photo/{id}",
                 web::get().to(photos_controller::get_full_size),
diff --git a/geneit_backend/src/models.rs b/geneit_backend/src/models.rs
index 990cde7..3e05526 100644
--- a/geneit_backend/src/models.rs
+++ b/geneit_backend/src/models.rs
@@ -1,5 +1,5 @@
 use crate::app_config::AppConfig;
-use crate::schema::{families, members, memberships, photos, users};
+use crate::schema::{couples, families, members, memberships, photos, users};
 use crate::utils::crypt_utils::sha256;
 use diesel::prelude::*;
 
@@ -297,3 +297,105 @@ pub struct NewMember {
     pub time_create: i64,
     pub time_update: i64,
 }
+
+/// Member ID holder
+#[derive(Debug, Clone, Copy, serde::Serialize, serde::Deserialize, Eq, PartialEq, Hash)]
+pub struct CoupleID(pub i32);
+
+#[derive(serde::Serialize, serde::Deserialize)]
+pub enum CoupleState {
+    #[serde(rename = "N")]
+    None,
+    #[serde(rename = "E")]
+    Engaged,
+    #[serde(rename = "M")]
+    Married,
+    #[serde(rename = "D")]
+    Divorced,
+}
+
+impl CoupleState {
+    pub fn as_str(&self) -> &str {
+        match self {
+            CoupleState::None => "N",
+            CoupleState::Engaged => "E",
+            CoupleState::Married => "M",
+            CoupleState::Divorced => "D",
+        }
+    }
+
+    pub fn parse_str(s: &str) -> Option<Self> {
+        serde_json::from_str(s).ok()
+    }
+}
+
+#[derive(Queryable, Debug, serde::Serialize)]
+pub struct Couple {
+    id: i32,
+    family_id: i32,
+    wife: Option<i32>,
+    husband: Option<i32>,
+    state: Option<String>,
+    photo_id: Option<i32>,
+    time_create: i64,
+    pub time_update: i64,
+    pub wedding_year: Option<i16>,
+    pub wedding_month: Option<i16>,
+    pub wedding_day: Option<i16>,
+    pub divorce_year: Option<i16>,
+    pub divorce_month: Option<i16>,
+    pub divorce_day: Option<i16>,
+}
+
+impl Couple {
+    pub fn id(&self) -> CoupleID {
+        CoupleID(self.id)
+    }
+
+    pub fn family_id(&self) -> FamilyID {
+        FamilyID(self.family_id)
+    }
+
+    pub fn state(&self) -> Option<CoupleState> {
+        self.state
+            .as_deref()
+            .map(CoupleState::parse_str)
+            .unwrap_or_default()
+    }
+
+    pub fn set_state(&mut self, s: Option<CoupleState>) {
+        self.state = s.map(|s| s.as_str().to_string())
+    }
+
+    pub fn set_wife(&mut self, s: Option<MemberID>) {
+        self.wife = s.map(|s| s.0)
+    }
+
+    pub fn wife(&self) -> Option<MemberID> {
+        self.wife.map(MemberID)
+    }
+
+    pub fn set_husband(&mut self, s: Option<MemberID>) {
+        self.husband = s.map(|s| s.0)
+    }
+
+    pub fn husband(&self) -> Option<MemberID> {
+        self.husband.map(MemberID)
+    }
+
+    pub fn set_photo_id(&mut self, p: Option<PhotoID>) {
+        self.photo_id = p.map(|p| p.0);
+    }
+
+    pub fn photo_id(&self) -> Option<PhotoID> {
+        self.photo_id.map(PhotoID)
+    }
+}
+
+#[derive(Insertable)]
+#[diesel(table_name = couples)]
+pub struct NewCouple {
+    pub family_id: i32,
+    pub time_create: i64,
+    pub time_update: i64,
+}
diff --git a/geneit_backend/src/schema.rs b/geneit_backend/src/schema.rs
index 1044adf..3bb9698 100644
--- a/geneit_backend/src/schema.rs
+++ b/geneit_backend/src/schema.rs
@@ -1,10 +1,15 @@
 // @generated automatically by Diesel CLI.
 
 diesel::table! {
-    couples (wife, husband) {
-        wife -> Int4,
-        husband -> Int4,
+    couples (id) {
+        id -> Int4,
+        family_id -> Int4,
+        wife -> Nullable<Int4>,
+        husband -> Nullable<Int4>,
+        state -> Nullable<Varchar>,
         photo_id -> Nullable<Int4>,
+        time_create -> Int8,
+        time_update -> Int8,
         wedding_year -> Nullable<Int2>,
         wedding_month -> Nullable<Int2>,
         wedding_day -> Nullable<Int2>,
@@ -90,6 +95,7 @@ diesel::table! {
     }
 }
 
+diesel::joinable!(couples -> families (family_id));
 diesel::joinable!(couples -> photos (photo_id));
 diesel::joinable!(members -> families (family_id));
 diesel::joinable!(members -> photos (photo_id));
diff --git a/geneit_backend/src/services/couples_service.rs b/geneit_backend/src/services/couples_service.rs
new file mode 100644
index 0000000..d040180
--- /dev/null
+++ b/geneit_backend/src/services/couples_service.rs
@@ -0,0 +1,124 @@
+use crate::connections::db_connection;
+use crate::models::{Couple, CoupleID, FamilyID, MemberID, NewCouple};
+use crate::schema::couples;
+use crate::services::photos_service;
+use crate::utils::time_utils::time;
+use diesel::prelude::*;
+
+/// Create a new couple
+pub async fn create(family_id: FamilyID) -> anyhow::Result<Couple> {
+    db_connection::execute(|conn| {
+        let res: Couple = diesel::insert_into(couples::table)
+            .values(&NewCouple {
+                family_id: family_id.0,
+                time_create: time() as i64,
+                time_update: time() as i64,
+            })
+            .get_result(conn)?;
+
+        Ok(res)
+    })
+}
+
+/// Get the information of a couple
+pub async fn get_by_id(id: CoupleID) -> anyhow::Result<Couple> {
+    db_connection::execute(|conn| couples::table.filter(couples::dsl::id.eq(id.0)).first(conn))
+}
+
+/// Get all the couples of a family
+pub async fn get_all_of_family(id: FamilyID) -> anyhow::Result<Vec<Couple>> {
+    db_connection::execute(|conn| {
+        couples::table
+            .filter(couples::dsl::family_id.eq(id.0))
+            .get_results(conn)
+    })
+}
+
+/// Get all the couples associated to a member
+pub async fn get_all_of_member(id: MemberID) -> anyhow::Result<Vec<Couple>> {
+    db_connection::execute(|conn| {
+        couples::table
+            .filter(
+                couples::dsl::wife
+                    .eq(id.0)
+                    .or(couples::dsl::husband.eq(id.0)),
+            )
+            .get_results(conn)
+    })
+}
+
+/// Check whether a couple with a given id exists or not
+pub async fn exists(family_id: FamilyID, couple_id: CoupleID) -> anyhow::Result<bool> {
+    db_connection::execute(|conn| {
+        let count: i64 = couples::table
+            .filter(
+                couples::id
+                    .eq(couple_id.0)
+                    .and(couples::family_id.eq(family_id.0)),
+            )
+            .count()
+            .get_result(conn)?;
+
+        Ok(count != 0)
+    })
+}
+
+/// Update the information of a couple
+pub async fn update(couple: &mut Couple) -> anyhow::Result<()> {
+    couple.time_update = time() as i64;
+
+    db_connection::execute(|conn| {
+        diesel::update(couples::dsl::couples.filter(couples::dsl::id.eq(couple.id().0)))
+            .set((
+                couples::dsl::state.eq(couple.state().map(|c| c.as_str().to_string())),
+                couples::dsl::wife.eq(couple.wife().map(|m| m.0)),
+                couples::dsl::husband.eq(couple.husband().map(|m| m.0)),
+                couples::dsl::photo_id.eq(couple.photo_id().map(|p| p.0)),
+                couples::dsl::time_update.eq(couple.time_update),
+                couples::dsl::wedding_year.eq(couple.wedding_year),
+                couples::dsl::wedding_month.eq(couple.wedding_month),
+                couples::dsl::wedding_day.eq(couple.wedding_day),
+                couples::dsl::divorce_year.eq(couple.divorce_year),
+                couples::dsl::divorce_month.eq(couple.divorce_month),
+                couples::dsl::divorce_day.eq(couple.divorce_day),
+            ))
+            .execute(conn)
+    })?;
+
+    Ok(())
+}
+
+/// Delete a couple photo
+pub async fn remove_photo(couple: &mut Couple) -> anyhow::Result<()> {
+    match couple.photo_id() {
+        None => {}
+        Some(photo) => {
+            photos_service::delete(photo).await?;
+            couple.set_photo_id(None);
+            update(couple).await?;
+        }
+    }
+
+    Ok(())
+}
+
+/// Delete a couple
+pub async fn delete(couple: &mut Couple) -> anyhow::Result<()> {
+    remove_photo(couple).await?;
+
+    // Remove the couple
+    db_connection::execute(|conn| {
+        diesel::delete(couples::dsl::couples.filter(couples::dsl::id.eq(couple.id().0)))
+            .execute(conn)
+    })?;
+
+    Ok(())
+}
+
+/// Delete all the couples of a family
+pub async fn delete_all_family(family_id: FamilyID) -> anyhow::Result<()> {
+    for mut m in get_all_of_family(family_id).await? {
+        delete(&mut m).await?;
+    }
+    Ok(())
+}
diff --git a/geneit_backend/src/services/families_service.rs b/geneit_backend/src/services/families_service.rs
index 4212eaf..475b406 100644
--- a/geneit_backend/src/services/families_service.rs
+++ b/geneit_backend/src/services/families_service.rs
@@ -5,7 +5,7 @@ use crate::models::{
     Family, FamilyID, FamilyMembership, Membership, NewFamily, NewMembership, UserID,
 };
 use crate::schema::{families, memberships};
-use crate::services::{members_service, users_service};
+use crate::services::{couples_service, members_service, users_service};
 use crate::utils::string_utils::rand_str;
 use crate::utils::time_utils::time;
 use diesel::prelude::*;
@@ -183,7 +183,8 @@ pub async fn update_family(family: &Family) -> anyhow::Result<()> {
 
 /// Delete a family
 pub async fn delete_family(family_id: FamilyID) -> anyhow::Result<()> {
-    // TODO : delete couples
+    // Delete all family couples
+    couples_service::delete_all_family(family_id).await?;
 
     // Remove all family members
     members_service::delete_all_family(family_id).await?;
diff --git a/geneit_backend/src/services/members_service.rs b/geneit_backend/src/services/members_service.rs
index 96e6b4a..cb1f547 100644
--- a/geneit_backend/src/services/members_service.rs
+++ b/geneit_backend/src/services/members_service.rs
@@ -1,7 +1,7 @@
 use crate::connections::db_connection;
 use crate::models::{FamilyID, Member, MemberID, NewMember};
 use crate::schema::members;
-use crate::services::photos_service;
+use crate::services::{couples_service, photos_service};
 use crate::utils::time_utils::time;
 use diesel::prelude::*;
 use diesel::RunQueryDsl;
@@ -102,7 +102,16 @@ pub async fn remove_photo(member: &mut Member) -> anyhow::Result<()> {
 
 /// Delete a member
 pub async fn delete(member: &mut Member) -> anyhow::Result<()> {
-    // TODO : remove associated couple
+    // Remove associated couple
+    for mut c in couples_service::get_all_of_member(member.id()).await? {
+        // Check if only one person is attached to the couple
+        // i.e. if the current member is the last person attached to the couple
+        if c.wife().is_some() && c.husband().is_some() {
+            continue;
+        }
+
+        couples_service::delete(&mut c).await?;
+    }
 
     remove_photo(member).await?;
 
diff --git a/geneit_backend/src/services/mod.rs b/geneit_backend/src/services/mod.rs
index 02c2085..935229e 100644
--- a/geneit_backend/src/services/mod.rs
+++ b/geneit_backend/src/services/mod.rs
@@ -1,5 +1,6 @@
 //! # Backend services
 
+pub mod couples_service;
 pub mod families_service;
 pub mod login_token_service;
 pub mod mail_service;