Willem IV Count of Netherlands, Holland Sir
Birth:
Abt 1317
of Le Quesnoy, Nord, France
Death:
26 Sep 1345
Warns, Friesland, Netherlands
Burial:
Abt Sep 1345
Valenciennes, Nord, France
FCID:15859:90913
Parents
Father:
Willem III Guillaume (the Good) Avesnes, Count of Holland Hainault
Mother:
Jeanne Valois, Countess of Hainault Lady
Marriage(s)

Jeanne Brabant, Duchess of Brabant Lady
md. 1334
Children