John was born in 1262 in Lavington, Wiltshire, England, the son of unknown parents.
His wife was Alice du Plessis. They were married, but the date and place have not been found. Their only known child was John II (1316-1339).
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | 1262 |
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