William I, Count of Hainaut
b:
d:
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| PARENT (M) John II, Count of Holland | |||
| Birth | |||
| Death | |||
| Marriage | to Philippa of Luxembourg | ||
| Father | John of Avesnes | ||
| Mother | Adelaide of Holland, Countess of Hainaut | ||
| PARENT (F) Philippa of Luxembourg | |||
| Birth | |||
| Death | |||
| Marriage | to John II, Count of Holland | ||
| Father | Henry V, Count of Luxembourg | ||
| Mother | Margaret of Bar | ||
| CHILDREN | |||
| M | William I, Count of Hainaut | ||
| Birth | |||
| Death | |||
| Marriage | to Joan of Valois, Countess of Hainaut | ||
| PARENT (M) William I, Count of Hainaut | |||
| Birth | |||
| Death | |||
| Marriage | to Joan of Valois, Countess of Hainaut | ||
| Father | John II, Count of Holland | ||
| Mother | Philippa of Luxembourg | ||
| PARENT (F) Joan of Valois, Countess of Hainaut | |||
| Birth | |||
| Death | |||
| Marriage | to William I, Count of Hainaut | ||
| Father | Charles, Count of Valois | ||
| Mother | Margaret, Countess of Anjou | ||
| CHILDREN | |||
| F | Philippa of Hainault | ||
| Birth | |||
| Death | |||
| Marriage | to Edward III | ||
+ Edward III b: 13 NOV 1312 d: 21 JUN 1377
3 John of Gaunt, 1st Duke of Lancaster b: 6 MAR 1340 d: 3 FEB 1399
+ Blanche
4 Henry Beaufort b: ABT 1375 d: 11 APR 1447
+ John Berkeley d: 1546
+ Henry Lygon b: ABT 1525 d: 31 JUL 1577
