Show children on member page

geneit_app/src/api/MemberApi.ts

@@ -191,6 +191,10 @@ export class MembersList {
   get(id: number): Member | undefined {
     return this.map.get(id);
   }
+
+  children(id: number): Member[] {
+    return this.list.filter((m) => m.mother === id || m.father === id);
+  }
 }
 
 export class MemberApi {