William was born about 1260 in Dumfriesshire, Scotland, the son of unknown parents.
He died about 1294. The place is not known.
His wife was Margaret de Brus. They were married, but the date and place have not been found. Their only known child was Robert (1294-?).
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1260 |
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| Death | ABT 1294 |
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