┌─Baldwin V of Flanders ⇒
┌─Baldwin VI of Flanders
│ └─Adela of France ⇒
┌─Baldwin II of Hainault
│ └─Richilde
┌─Baldwin III of Hainault
│ └─Ida of Louvain
Ida of Hainault
│ ┌─Gerard of Guelders
└─Yolande de Guelders