John was born about 1236 in Lanvalay, Connaught, Eire, the son of unknown parents.
He died on 03 MAR 1279 in Lanvalay, Connaught, Eire.
His wife was Cecilia de Balliol. They were married, but the date and place have not been found. Their only known child was Devorguilla (c1251-c1284).
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1236 |
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| Death | 3 MAR 1279 |
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