William I de Fiennes, Sheriff of Somerset was born circa 1160 to Enguerrand I de Fiennes (1128-1189) and Sybille de Tingry (c1140-aft1223) and died circa 1240 of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| daughter de Fiennes (c1188-?) | |||
| Baldwin de Fiennes (c1190-?) | |||
| William de Fiennes (c1200-?) | |||
| Enguerrand II de Fiennes (c1210-1265) | 1210 | 1265 | Isabelle de Conde (c1214-) |
| Mahaut de Fiennes (c1210-aft1244) | 1210 | 1244 | Baudouin III de Guînes (1198-1244) |
Contributors
- William Allen Shade 01:46, 21 August 2009 (UTC)
Footnotes (including sources)
| ‡ General |