┌─Robert Count of Clermont ⇒
┌─Louis Duke of Bourbon
│ └─Beatrice of Burgundy ⇒
┌─James I Count of La Marche
│ │ ┌─John II of Avesnes Count of Hainaut ⇒
│ └─Mary of Avesnes
│ └─Philippa of Luxembourg ⇒
┌─John I Count of La Marche
Louis Count of Vendôme