Raoul III de Tancarville was born 1212 to Guillaume III de Tancarville (1150-1214) and Alix de Meulan (c1190-c1237) and died 1236 of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Alix de Tancarville (1235-c1282) | 1235 | 1282 | Robert VI Bertrand de Bricquebec (c1230-c1277) |
| Guillaume IV de Tancarville (-c1283) | |||
| Eléonore de Tancarville (-1275) | |||
Footnotes (including sources)
| ‡ General |