Willem III de Avesnes, Count of Holland
was born at of Avesnes, Pas-de-Calais, France Abt 1286.
His parents were Jean II de Avesnes, Count of Holland & Hainault and Philippine Countess de Luxembourg.
He married Jeanne de Valois 19 May 1305
at Longpont, Aisen, France
Jeanne de Valois
was born at of Longpont, Aisne, France Abt 1294/95
daughter of Charles I, Prince of France, Count de Valois and Marguerite Princess of Sicily & Naples
They were the parents of 9
Sibylla Countess of Holland
Margaretha Countess of Holland, Empress of the Holy Roman Empire
Jan Count of Holland
born Abt 1313.
Philippa Queen of England, Countess of Holland
born Abt 1314.
Johanna Countess of Holland, Duchess of Julich
born Abt 1315.
Willem IV Count of Holland
born Abt 1317.
Agnès Countess of Holland
born Abt 1320.
Louis Van Holland
born Abt 1325.
Elisabeth or Isabella Countess of Holland
born Abt 1327.
Willem III de Avesnes, Count of Holland died 7 Jun 1337
at Valenciennes, Nord, France .
Jeanne de Valois died 7 Mar 1342
at Fontenelle, Yonne, France .