| Son | Robert de Washington+ (b. 1296, d. after 1361) |
| Pedigree Chart |
| Birth | about 1264 | Joan de Strickland was born about 1264 in Sizergh Castle, Westmorland, EnglandBG. |
| Death | after 1324 | She died after 1324 in Carnforth, Lancashire, EnglandBG. |
| Last Edited | 7 December 2020 |