Nicholas de Segrave, 1st Baron Segrave was born circa 1238 to Gilbert de Segrave (1202-1254) and Amabil de Chaucombe (bef1231-) and died 12 November 1295 of unspecified causes. He married Matilda de Lucy (c1245-1337) .
Children
| Name | Birth | Death | Joined with |
| John de Segrave, 2nd Baron Segrave (c1256-1325) | 1256 | 4 October 1325 | Christiane de Plessis (bef1270-) |
| Nicholas de Segrave (aft1256-1321) | |||
| Gilbert de Segrave (1266-1316) | |||
| Eleanor de Segrave (c1270-1314) | 1270 | 1314 | Alan la Zouche, 1st Baron la Zouche of Ashby (1267-1314) |
Footnotes (including sources)
| ‡ General |