Can set the father and the mother of a member

geneit_app/src/widgets/MemberPhoto.tsx

@@ -3,13 +3,17 @@ import { Member } from "../api/MemberApi";
 
 export function MemberPhoto(p: {
   member: Member;
-  width: number;
+  width?: number;
 }): React.ReactElement {
   return (
     <Avatar
-      sx={{ width: `${p.width}px`, height: "auto", display: "inline-block" }}
+      sx={
+        p.width
+          ? { width: `${p.width}px`, height: "auto", display: "inline-block" }
+          : undefined
+      }
       variant="rounded"
-      src={p.member.thumbnailURL}
+      src={p.member.thumbnailURL ?? undefined}
     />
   );
 }