diff --git a/geneit_backend/migrations/2023-05-24-102711_create_users/down.sql b/geneit_backend/migrations/2023-05-24-102711_create_users/down.sql
index f1c3bfb..10bdd70 100644
--- a/geneit_backend/migrations/2023-05-24-102711_create_users/down.sql
+++ b/geneit_backend/migrations/2023-05-24-102711_create_users/down.sql
@@ -1,2 +1,4 @@
 -- This file should undo anything in `up.sql`
-DROP table users;
\ No newline at end of file
+DROP table IF EXISTS memberships ;
+DROP table IF EXISTS families;
+DROP table IF EXISTS users;
\ No newline at end of file
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 1dfe1c9..fd1c0a2 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
@@ -1,4 +1,4 @@
--- Create table
+-- Create tables
 CREATE TABLE users (
     id SERIAL PRIMARY KEY,
     name VARCHAR(30) NOT NULL,
@@ -12,4 +12,20 @@ CREATE TABLE users (
     time_activate BIGINT NOT NULL DEFAULT 0,
     active BOOLEAN NOT NULL DEFAULT TRUE,
     admin BOOLEAN NOT NULL DEFAULT FALSE
-)
\ No newline at end of file
+);
+
+CREATE TABLE families(
+    id SERIAL PRIMARY KEY,
+    time_create BIGINT NOT NULL,
+    name VARCHAR(30) NOT NULL,
+    invitation_code VARCHAR(7) NOT NULL
+);
+
+CREATE TABLE memberships(
+    user_id integer NOT NULL REFERENCES users,
+    family_id integer NOT NULL REFERENCES families,
+    time_create BIGINT NOT NULL,
+    is_admin BOOLEAN NOT NULL DEFAULT TRUE,
+
+    PRIMARY KEY(user_id, family_id)
+);
\ No newline at end of file
diff --git a/geneit_backend/src/schema.rs b/geneit_backend/src/schema.rs
index 589622d..a9b1103 100644
--- a/geneit_backend/src/schema.rs
+++ b/geneit_backend/src/schema.rs
@@ -1,5 +1,23 @@
 // @generated automatically by Diesel CLI.
 
+diesel::table! {
+    families (id) {
+        id -> Int4,
+        time_create -> Int8,
+        name -> Varchar,
+        invitation_code -> Varchar,
+    }
+}
+
+diesel::table! {
+    memberships (user_id, family_id) {
+        user_id -> Int4,
+        family_id -> Int4,
+        time_create -> Int8,
+        is_admin -> Bool,
+    }
+}
+
 diesel::table! {
     users (id) {
         id -> Int4,
@@ -16,3 +34,12 @@ diesel::table! {
         admin -> Bool,
     }
 }
+
+diesel::joinable!(memberships -> families (family_id));
+diesel::joinable!(memberships -> users (user_id));
+
+diesel::allow_tables_to_appear_in_same_query!(
+    families,
+    memberships,
+    users,
+);