| b 1298, Of, Morton, Derbyshire, England | Geoffrey Gresley | > | d ABT 1331 1332, | William Gresley, [Sir Knight] | Margaret Somervile | > |
| Geoffrey Gresley, [Lord of Morton] | b 1206 | John De Bakepuiz | > | |
| | b 1243 | Elizabeth Bakepuiz | Roesia Mrs Bakepuiz | ||
| Peter Gresley, [Sir Knight] | d ABT 1305 1306 | b 1212 | ||
| |b 1273 | | | |||
| |d 1310 | Agnes | |||
| | | b 1248 | |||
| Geoffrey Gresley, [Sir Knight] | ||||
| |Margaret Gernon | |m 1324 | Robert Stafford, [Sir Knight] | ||
| |Of, Morton, Derbyshire, England | |b 1251 | |||
| Johanna Stafford | ||||
| b 1278 | | | |||
| d 1342 | ||||
| 1 | < | John Gresley, [Sir Knight] | 2 | Nicholas Gresley, [Sir Knight] |