Thomas Bassett of Hedendon, Sheriff of Oxfordshire was born in England to Gilbert Basset (-1167) and Edith d'Oyly (-c1167) and died circa 1181 of unspecified causes. He married Alice de Dunstanville (-c1186) .
Children
| Name | Birth | Death | Joined with |
| Gilbert Bassett (-c1205) | |||
| Thomas Bassett (-1220) | |||
| Alan Basset (-1233) | 1155 England | 1233 England | Aline de Gai (c1169-) |
| Alice Basset (?-?) | John Biset (?-?) | ||
Footnotes (including sources)
| ‡ General |