| Common Born: Died: | |||||
| Henry de LOUVAIN & PERCY Born: ABT 1165 ?; took the name Percy Died: 1198 | |||||
| Willem III d AVESNES Born: ABT 1280 ?; of Avesnes, Pas-De-Calais, France Died: 7 JUN 1337 Valenciennes, Nord, France | |||||
| Philippa d Avesnes, Countess of Hainault Born: 24 JUN 1311 Mons, Hainaut, Belgium Died: 14 AUG 1369 Windsor Castle, Windsor, Berkshire, England | |||||
| Jeanne or Joanna de VALOIS Born: ABT 1287 ?; of Fontainebleau, Seine-et-Marne, France Died: 7 MAR 1341/1342 Fontenelle, Yonne, France | |||||
| William de PERCY Born: ABT 1185 Alnwick, Northumberland, ENG Died: 28 JUL 1245 | |||||
| Isabel BRUS Born: ABT 1150 ?; of Skelton, ENG Died: AFT 1230 | |||||
| Richard Plantagenet of Conisburgh, Earl of Cambr Born: 1375 Conisbrough, Yorkshire, England Died: 5 AUG 1415 Southampton Green, Hampshire, England | |||||
| MARGERY ? Born: ABT 1252 Died: | |||||