Main
Jean I Beaumont de Trie, Castellan of Trie, Lord of Mouchy le Chatel, was born circa 1170 in Trie-Château to Enguerrand II de Trie (c1125-c1172) and Heddiva Basilie de Monchy (1145-c1192) and died circa 1236 of unspecified causes. He married Aelis de Dammartin (c1175-aft1237) 1190 JL .
Children
| Name | Birth | Death | Joined with |
| Jeanne de Trie (c1205-c1252) | 1205 Trie-Château | 1252 | Robert V Bertrand de Bricquebec (1180-1242) |
| Mathieu de Trie (1210-1272) | |||
| Renaud de Trie (1220-1251) | |||
| Catherine de Trie | |||
| Philippe de Trie (1225-c1272) | 1225 Trie-Château | 1272 | Aliénor de Nanteuil (1230-1277) |
| Enguerrand de Trie | |||
| Eustache de Trie | |||
| Manasses de Trie | |||
Footnotes (including sources)
| ‡ General |