| b 1125, Of, Drakelow, Derbyshire, England | d 1183, | |||
| Nigel Stafford | ||||
| | b 1040 | ||||
| William Fitz Nigel Stafford | d 1115 | |||
| |b 1090 | | | |||
| |d 1166 | Mrs Stafford | |||
| | | b 1045 | |||
| Robert Gresley | ||||
| |Basilia | |m 1150 | |||
| |Of, Drakelow, Derbyshire, England | | | |||
| Elena | ||||
| b 1095 | | | |||
| 1 | < | William Gresley | 2 | Thomas Gresley | 3 | Joan Gresley | 4 | Henry Gresley | 5 | Nicholas Gresley |