KLDeWitt Genealogy Research Project
Our Family's Journey Through Time from Europe and Canada to the US

| John de Berkeley | |
| D: | 1317 |
| Isabel de Berkeley, Baroness Clifford | |
| D: | 25 Jul 1362 |
| Robert de Clifford, 3rd Baron Clifford 3rd Lord of Skipton | |
| B: | 5 Nov 1305 |
| D: | 20 May 1344 |
| Thomas de Berkeley, 3rd Baron Berkeley | |
| B: | 1296 |
| England | |
| D: | 27 Oct 1361 |
| Gloucestershire, England | |
| Margaret Mortimer, Baroness Berkeley | |
| B: | 2 May 1304 |
| M: | Bef 1320 |
| D: | 5 May 1337 |
| Katherine Clevedon, Baroness Berkeley | |
| B: | 21 Jan 1321 |
| M: | 30 May 1347 |
| D: | 13 Mar 1385 |
| Maurice de Berkeley, Sir | |
| B: | 1298 |
| D: | 1347 |
| Calais, France | |
| Maurice de Berkeley, 2nd Baron Berkeley | |
| B: | Apr 1271 |
| D: | 31 May 1326 |
| Joan de Ferrers | |
| D: | 19 Mar 1309 |
| Thomas de Berkeley, 1st Baron Berkeley | |
| B: | 1245 |
| Berkeley Castle, Gloucestershire, England | |
| D: | 23 Jul 1321 |
| Robert de Ferrers, 6th Earl of Derby | |
| B: | 1239 |
| D: | 1279 |
| William de Ferrers of Groby | |
| B: | 1240 |
| D: | 1287 |
| Margaret de Quincy, Lady Countess of Derby | |
| B: | Abt 1218 |
| D: | 12 Mar 1280 |
| William de Ferrers, III 5th Earl of Derby | |
| B: | 1193 |
| D: | 28 Mar 1254 |
We make every effort to document our research. If you have something you would like to add, please contact us.