Count William III d'Avesnes

Count William III d'Avesnes was born about 1286 in Hainault, Belgium.¹ He was the son of Count Jean II d'Avesnes and Philippa (of Luxemberg).¹ Count William III d'Avesnes married Jeanne de Valois, daughter of Prince Charles I (of Valois) and Princess Marguerite (of Naples and Sicily), on 19 May 1305 in Chauny.¹ Count William III d'Avesnes died on 7 June 1337 in Valenciennes, France.¹
William III's father Count Jean II d'Avesnes died on 22 August 1304 in Valenciennes, Nord, France.^2,1 Count William III d'Avesnes became the father of Countess Sibylla (of Holland) in 1310.² Count William III d'Avesnes became the father of Countess Margaretha (of Holland) in 1311.² William III's mother Philippa (of Luxemberg) died on 6 April 1311 in Valenciennes, Nord, France.² Count William III d'Avesnes became the father of Philippa (of Hainault) on 24 June 1311.¹ Count William III d'Avesnes became the father of Count Jan (of Holland) about 1313.² Count William III d'Avesnes became the father of Countess Johanna (of Holland) about 1315.² William III's son Count Jan (of Holland) died in 1316.² Count William III d'Avesnes became the father of Count Willem IV (of Holland) about 1317.² Count William III d'Avesnes became the father of Countess Agnaes (of Holland) about 1320.² William III's daughter was married at wedding of Countess Margaretha (of Holland) and Emperor Ludwig IV (of the Holy Roman Empire) on 25 February 1324 in Koln, Rheinland, Prussia.² Count William III d'Avesnes became the father of Louis Van Holland about 1325.² Count William III d'Avesnes became the father of Countess Elisabeth or Isabella (of Holland) about 1327.² William III's son Louis Van Holland died in 1328.² William III's daughter was married at wedding of Philippa (of Hainault) and King Edward III (of England) on 24 January 1328 in Yorkshire, England.^1,3