William was the son of unknown parents. The date and place of his birth have not been found.
He died in 1457/58. The place is not known.
His wife was Margaret Nugent. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | 1457/58 |
|
Note 1
son of James Butler, 7th Baron Dunboyne and Mór Marina O'Brien