William Avesnes, I Count of Hainaut

Family/Spouse: Jonkvrouw de Moor. Jonkvrouw was born in 1290 in Pas-de-Calais, Nord-Pas-de-Calais, République française. [Group Sheet] [Family Chart]

1. Sir Jan Aelman was born in 1320; died in 1389.

William married Joan Capet, Countess of Hainaut on 19 May 1305 in België. Joan (daughter of Charles Capet, Count of Valois and Margaret de Anjou, Countess of Anjou) was born on 9 Jul 1294 in Longpont, Aisne, Picardie, République française; died on 7 Mar 1342 in Fontenelle, Yonne, Bourgogne, République française. [Group Sheet] [Family Chart]

1. William Avesnes, II Count of Hainaut was born in 1307 in Hainaut, België; died on 26 Sep 1345 in Battle of Warns, Staveren, Friesland, Nederland.
2. John Avesnes was born about 1312 in Henne, Ardéche, Rhône-Alpes, République française; died about 1316.
3. Margaret Avesnes, II Countess of Hainaut was born in 1311 in Le Quesnoy, Nord, Nord-Pas-de-Calais, République française; died on 23 Jun 1356 in Le Quesnoy, Nord, Nord-Pas-de-Calais, République française.
4. Philippa Avesnes, Queen consort of England was born on 24 Jun 1314 in Valenciennes, Nord, Nord-Pas-de-Calais, République française; died on 15 Aug 1369 in Windsor Castle, Berkshire, England; was buried in Westminster Abbey, Middlesex, England.
5. Agnes Avesnes was born about 1317 in Hainaut, België; died in 1327.
6. Joanna Avesnes was born about 1315 in Le Quesnoy, Nord, Nord-Pas-de-Calais, République française; died about 1374 in Jülich, Düren, Nordrhein-Westfalen, Deutschland.
7. Isabelle Avesnes was born about 1323 in Hainaut, België; died on 30 Jan 1361.
8. Count Louis Avesnes was born about 1325 in Hainaut, België; died in 1328 in Le Quesnoy, Nord, Nord-Pas-de-Calais, République française.