diff --git a/geneit_app/src/App.tsx b/geneit_app/src/App.tsx
index 7346164..def7092 100644
--- a/geneit_app/src/App.tsx
+++ b/geneit_app/src/App.tsx
@@ -17,6 +17,10 @@ import { BaseFamilyRoute } from "./widgets/BaseFamilyRoute";
 import { BaseLoginPage } from "./widgets/BaseLoginpage";
 import { FamilyUsersListRoute } from "./routes/family/FamilyUsersListRoute";
 import { FamilySettingsRoute } from "./routes/family/FamilySettingsRoute";
+import {
+  FamilyCreateMemberRoute,
+  FamilyMemberRoute,
+} from "./routes/family/FamilyMemberRoute";
 
 interface AuthContext {
   signedIn: boolean;
@@ -47,6 +51,11 @@ export function App(): React.ReactElement {
             <Route path="profile" element={<ProfileRoute />} />
             <Route path="family/:familyId/*" element={<BaseFamilyRoute />}>
               <Route path="" element={<FamilyHomeRoute />} />
+              <Route
+                path="member/create"
+                element={<FamilyCreateMemberRoute />}
+              />
+              <Route path="member/:memberId" element={<FamilyMemberRoute />} />
               <Route path="settings" element={<FamilySettingsRoute />} />
               <Route path="users" element={<FamilyUsersListRoute />} />
               <Route path="*" element={<NotFoundRoute />} />
diff --git a/geneit_app/src/api/MemberApi.ts b/geneit_app/src/api/MemberApi.ts
new file mode 100644
index 0000000..7df8e86
--- /dev/null
+++ b/geneit_app/src/api/MemberApi.ts
@@ -0,0 +1,88 @@
+export type Sex = "M" | "F";
+
+export interface MemberApi {
+  id: number;
+  family_id: number;
+  first_name?: string;
+  last_name?: string;
+  birth_last_name?: string;
+  photo_id?: number;
+  signed_photo_id?: number;
+  email?: string;
+  phone?: string;
+  address?: string;
+  city?: string;
+  postal_code?: string;
+  country?: string;
+  sex?: Sex;
+  time_create?: number;
+  time_update?: number;
+  mother?: number;
+  father?: number;
+  birth_year?: number;
+  birth_month?: number;
+  birth_day?: number;
+  dead: boolean;
+  death_year?: number;
+  death_month?: number;
+  death_day?: number;
+  note?: string;
+}
+
+export class Member implements MemberApi {
+  id: number;
+  family_id: number;
+  first_name?: string;
+  last_name?: string;
+  birth_last_name?: string;
+  photo_id?: number;
+  signed_photo_id?: number;
+  email?: string;
+  phone?: string;
+  address?: string;
+  city?: string;
+  postal_code?: string;
+  country?: string;
+  sex?: Sex;
+  time_create?: number;
+  time_update?: number;
+  mother?: number;
+  father?: number;
+  birth_year?: number;
+  birth_month?: number;
+  birth_day?: number;
+  dead!: boolean;
+  death_year?: number;
+  death_month?: number;
+  death_day?: number;
+  note?: string;
+
+  constructor(m: MemberApi) {
+    this.id = m.id;
+    this.family_id = m.family_id;
+    this.first_name = m.first_name;
+    this.last_name = m.last_name;
+    this.birth_last_name = m.birth_last_name;
+    this.photo_id = m.photo_id;
+    this.signed_photo_id = m.signed_photo_id;
+    this.email = m.email;
+    this.phone = m.phone;
+    this.address = m.address;
+    this.city = m.city;
+    this.postal_code = m.postal_code;
+    this.country = m.country;
+    this.sex = m.sex;
+    this.time_create = m.time_create;
+    this.time_update = m.time_update;
+    this.mother = m.mother;
+    this.father = m.father;
+    this.birth_year = m.birth_year;
+    this.birth_month = m.birth_month;
+    this.birth_day = m.birth_day;
+    this.dead = m.dead;
+    this.death_year = m.death_year;
+    this.death_month = m.death_month;
+    this.death_day = m.death_day;
+    this.note = m.note;
+  }
+}
diff --git a/geneit_app/src/api/ServerApi.ts b/geneit_app/src/api/ServerApi.ts
index 129f008..4c847eb 100644
--- a/geneit_app/src/api/ServerApi.ts
+++ b/geneit_app/src/api/ServerApi.ts
@@ -1,16 +1,37 @@
 import { APIClient } from "./ApiClient";
 
-interface LenConstraint {
+interface NumberConstraint {
+  min: number;
+  max: number;
+}
+
+export interface LenConstraint {
   min: number;
   max: number;
 }
 
 interface Constraints {
+  date_year: NumberConstraint;
+  date_month: NumberConstraint;
+  date_day: NumberConstraint;
+  photo_allowed_types: string[];
+  photo_max_size: number;
   mail_len: LenConstraint;
   user_name_len: LenConstraint;
   password_len: LenConstraint;
   family_name_len: LenConstraint;
   invitation_code_len: LenConstraint;
+  member_first_name: LenConstraint;
+  member_last_name: LenConstraint;
+  member_birth_last_name: LenConstraint;
+  member_email: LenConstraint;
+  member_phone: LenConstraint;
+  member_address: LenConstraint;
+  member_city: LenConstraint;
+  member_postal_code: LenConstraint;
+  member_country: LenConstraint;
+  member_sex: LenConstraint;
+  member_note: LenConstraint;
 }
 
 interface OIDCProvider {
@@ -18,10 +39,24 @@ interface OIDCProvider {
   name: string;
 }
 
+export interface Country {
+  code: string;
+  en: string;
+  fr: string;
+}
+
+export interface CouplesStates {
+  code: string;
+  en: string;
+  fr: string;
+}
+
 export interface ServerConfig {
   constraints: Constraints;
   mail: string;
   oidc_providers: OIDCProvider[];
+  countries: Country[];
+  couples_states: CouplesStates[];
 }
 
 let config: ServerConfig | null = null;
diff --git a/geneit_app/src/routes/family/FamilyMemberRoute.tsx b/geneit_app/src/routes/family/FamilyMemberRoute.tsx
new file mode 100644
index 0000000..05b64a3
--- /dev/null
+++ b/geneit_app/src/routes/family/FamilyMemberRoute.tsx
@@ -0,0 +1,112 @@
+import React from "react";
+import { Member } from "../../api/MemberApi";
+import { useFamily } from "../../widgets/BaseFamilyRoute";
+import { Grid, Typography } from "@mui/material";
+import { PropertiesBox } from "../../widgets/PropertiesBox";
+import { PropEdit } from "../../widgets/PropEdit";
+import { ServerApi } from "../../api/ServerApi";
+import { SexSelection } from "../../widgets/SexSelection";
+
+/**
+ * Create a new member route
+ */
+export function FamilyCreateMemberRoute(): React.ReactElement {
+  const family = useFamily();
+  const member = new Member({
+    id: 0,
+    dead: false,
+    family_id: family.family.family_id,
+  });
+  return <MemberPage member={member} creating={true} forceEdit={true} />;
+}
+
+/**
+ * Edit existing member route
+ */
+export function FamilyMemberRoute(): React.ReactElement {
+  return <p>TODO</p>;
+}
+
+export function MemberPage(p: {
+  member: Member;
+  forceEdit: boolean;
+  creating: boolean;
+}): React.ReactElement {
+  // TODO : add confirmation when leaving page https://dev.to/bangash1996/detecting-user-leaving-page-with-react-router-dom-v602-33ni
+  const [editing, setEditing] = React.useState(p.forceEdit);
+  const [member, setMember] = React.useState(structuredClone(p.member));
+
+  const updatedMember = () => {
+    // TODO : add confirmation
+    setMember(structuredClone(member));
+  };
+
+  return (
+    <div style={{ maxWidth: "2000px", margin: "auto" }}>
+      <Typography variant="h3">Fiche de membre</Typography>
+      <Grid container spacing={2}>
+        <Grid item sm={12} md={6}>
+          <PropertiesBox title="Informations générales">
+            {/* Sex */}
+            <SexSelection
+              current={member.sex}
+              onChange={(v) => {
+                member.sex = v;
+                updatedMember();
+              }}
+            />
+
+            {/* First name */}
+            <PropEdit
+              label="Prénom"
+              editable={editing}
+              value={member.first_name}
+              onValueChange={(v) => {
+                member.first_name = v;
+                updatedMember();
+              }}
+              size={ServerApi.Config.constraints.member_first_name}
+            />
+
+            {/* Last name */}
+            <PropEdit
+              label="Nom"
+              editable={editing}
+              value={member.last_name}
+              onValueChange={(v) => {
+                member.last_name = v;
+                updatedMember();
+              }}
+              size={ServerApi.Config.constraints.member_last_name}
+            />
+            <PropEdit
+              label="Nom de naissance"
+              editable={editing}
+              value={member.birth_last_name}
+              onValueChange={(v) => {
+                member.birth_last_name = v;
+                updatedMember();
+              }}
+              size={ServerApi.Config.constraints.member_birth_last_name}
+            />
+          </PropertiesBox>
+        </Grid>
+        <Grid item sm={12} md={6}>
+          <PropertiesBox title="Contact"></PropertiesBox>
+        </Grid>
+        <Grid item sm={12} md={6}>
+          <PropertiesBox title="Photo"></PropertiesBox>
+        </Grid>
+        <Grid item sm={12} md={6}>
+          <PropertiesBox title="Biographie"></PropertiesBox>
+        </Grid>
+        <Grid item sm={12} md={6}>
+          <PropertiesBox title="Époux / Épouse">TODO</PropertiesBox>
+        </Grid>
+        <Grid item sm={12} md={6}>
+          <PropertiesBox title="Enfants">TODO</PropertiesBox>
+        </Grid>
+      </Grid>
+    </div>
+  );
+}
diff --git a/geneit_app/src/widgets/PropEdit.tsx b/geneit_app/src/widgets/PropEdit.tsx
new file mode 100644
index 0000000..56739ad
--- /dev/null
+++ b/geneit_app/src/widgets/PropEdit.tsx
@@ -0,0 +1,35 @@
+import { TextField } from "@mui/material";
+import { LenConstraint } from "../api/ServerApi";
+
+/**
+ * Couple / Member property edition
+ */
+export function PropEdit(p: {
+  label: string;
+  editable: boolean;
+  value?: string;
+  onValueChange: (newVal: string | undefined) => void;
+  size: LenConstraint;
+}): React.ReactElement {
+  if (((!p.editable && p.value) ?? "") === "") return <></>;
+
+  return (
+    <TextField
+      label={p.label}
+      value={p.value}
+      onChange={(e) =>
+        p.onValueChange(
+          e.target.value.length === 0 ? undefined : e.target.value
+        )
+      }
+      inputProps={{
+        maxLength: p.size.max,
+      }}
+      InputProps={{
+        readOnly: !p.editable,
+      }}
+      variant={p.editable ? "filled" : "standard"}
+      style={{ width: "100%", marginBottom: "15px" }}
+    />
+  );
+}
diff --git a/geneit_app/src/widgets/PropertiesBox.tsx b/geneit_app/src/widgets/PropertiesBox.tsx
new file mode 100644
index 0000000..628efd2
--- /dev/null
+++ b/geneit_app/src/widgets/PropertiesBox.tsx
@@ -0,0 +1,14 @@
+import { Paper, Typography } from "@mui/material";
+
+export function PropertiesBox(
+  p: React.PropsWithChildren<{ title: string }>
+): React.ReactElement {
+  return (
+    <Paper elevation={3} style={{ padding: "15px" }}>
+      <Typography variant="h5" style={{ marginBottom: "15px" }}>
+        {p.title}
+      </Typography>
+      {p.children}
+    </Paper>
+  );
+}
diff --git a/geneit_app/src/widgets/SexSelection.tsx b/geneit_app/src/widgets/SexSelection.tsx
new file mode 100644
index 0000000..cf420b8
--- /dev/null
+++ b/geneit_app/src/widgets/SexSelection.tsx
@@ -0,0 +1,28 @@
+import {
+  FormControl,
+  FormLabel,
+  RadioGroup,
+  FormControlLabel,
+  Radio,
+} from "@mui/material";
+import { Sex } from "../api/MemberApi";
+
+export function SexSelection(p: {
+  current?: Sex;
+  onChange: (s: Sex) => void;
+}): React.ReactElement {
+  return (
+    <FormControl style={{ marginBottom: "15px" }}>
+      <FormLabel id="sex-label">Sexe</FormLabel>
+      <RadioGroup
+        row
+        aria-labelledby="sex-label"
+        value={p.current}
+        onChange={(e) => p.onChange(e.target.value as Sex)}
+      >
+        <FormControlLabel value="M" control={<Radio />} label="Homme" />
+        <FormControlLabel value="F" control={<Radio />} label="Femme" />
+      </RadioGroup>
+    </FormControl>
+  );
+}