Joan FitzJohn was born circa 1245 in Shere to John Fitzgeoffrey (c1205-1258) and Isabel Bigod (1212-1252) and died circa 1303 of unspecified causes. She married Theobald Butler (c1242-1285) .
Children
| Name | Birth | Death | Joined with |
| Theobald Butler (1269-1299) | |||
| Edmund Butler (c1270-1321) | 1270 Shere | 13 September 1321 | Joan FitzGerald (c1282-c1320) |
| Thomas Butler (?-1329) | |||
| John Butler | |||
| Richard Butler | |||
| Gilbert Butler | |||
| Nicholas Butler | 2 April 1862 Elizabeth, New Jersey, United States | 7 December 1947 Manhatten, New York, United States | Susanna Edwards Schuyler (1863-1903) Katherine La Montagne (bef1907-) |
| James Butler | |||
Footnotes (including sources)
| ‡ General |