Roger V de Tosny, Lord Tosny of Flamstead, was born 29 September 1235 to Raoul VI de Tosny (c1189-c1239) and Pernelle de Lacy (c1201-aft1287) and died before 12 May 1264 of unspecified causes. He married Alice de Bohun (c1235-c1255) 1239 JL . He married Alice . William I of England (1027-1087), Charlemagne (747-814), Hugh Capet (c940-996), Rollo of Normandy (860-932), Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Hugh Capet (c940-996)/s, Rollo of Normandy (860-932)/s.
Children
| Name | Birth | Death | Joined with |
| Alice de Tosny (c1252-1324) | 1252 | 1324 | Walter de Beauchamp (1243-1303) |
| Ralph de Toeni (c1255-1295) | 1255 England, United Kingdom | 29 July 1295 France | Mary (c1260-aft1283) |
Footnotes (including sources)
| ‡ General |