Margaret of Holland
Margaret of Holland (
Margarethe III Gräfin von Hennegau und Holland) (
1311-
23 June 1356), was the daugther of Guillaume III de Avesnes (~1286-1337) and his wife, née Jeanne de Valois (~1294-1342).
On 26 February 1324 in Köln she married Ludwig IV of Bavaria.