| | Sir Richard Vernon VI of Haddon & Harlaston 1369–1403 Joan verch Rhys 1371–1439 | | |
| | Sir Richard de Vernon V of Haddon & Harlaston 1347–1376 Juliana de Pembrugge 1349–1409 | | |
| | Sir William de Vernon II of Haddon & Harlaston 1313–1366 Margaret de Stockport 1315–1366 | | |
Sir Richard de Stafford 1342–1375 | | |
Bishop Edmund de Stafford Lord Chancellor of England 1344–1419 | | |
Katherine de Stafford …–… | | |
Sir Thomas de Stafford MP Marshal of Ireland 1346–1397 | | |
| | Isabel de Vernon 1316–1356 Sir Richard de Stafford 1st Baron Stafford of Clifton & Lord of Pipe 1305–1372 | | |
| | Sir Richard de Vernon IV of Haddon & Harlaston 1285–1322 Maud de Camville 1283–1342 | | |
| | Sir Richard de Vernon 1253–1330 | | | | Sir William de Vescy Lord of Alnwick 1205–1253 Agnes de Ferrers 1222–1290 | | | | William de Ferrers III 5th Earl of Derby, Constable of Bolsover Castle 1193–1254 Sybil Marshall Countess of Derby 1209–1245 | | | | Sir William de Ferrers 4th Earl of Derby, Constable of Bolsover Castle 1162–1247 Agnes de Meschines 1174–1247 | | | | William de Ferrers 3rd Earl of Derby, Constable of Bolsover Castle 1136–1189 Sybil de Braose 1157–1228 | | |
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| | | Sir Richard le Franceys de Vernon III 1232–1296 Isabel de Harcla of Hartley Castle 1260–… Margaret de Vipont 1230–… | | | | Sir Gilbert Le Franceys of Westmorland 1203–1278 Hawise de Vernon of Haddon 1213–1278 | | | | Adam Le Franceys of Westmorland 1178–1258 | | |
| | | Robert de Vernon 1188–1235 | | | | Sir Richard de Vernon 5th Baron of Shipbrook 1155–1205 Avice de Avenel Heiress of Haddon 1155–1202 | | |
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| | | Michael de Harcla Sherrif of Cumberland 1235–1311 | | |
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