William was the son of unknown parents. The date and place of his birth have not been found.
He died in 1337. The place is not known.
His wife was Alice de Tosny, who he married on 26 OCT 1316. The place has not been found. Their four known children were Alan (1317-1346), Joyce (1318->1372), Robert (?-?) and Philip (?-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1337 |
|
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | baron Zouche de Mortimer 1° |
Note 1
son of Robert Mortimer of Richard's Castle & Joyce la Zouche (grandchild of the original Alan de la Zouche)