| | Mary De Lancaster 1321–1362 | | |
| | Henry De Lancaster 1281–1345 Maud De Chaworth 1282–1317 | | |
| | Edmund De Lancaster 1245–1296 Blanche De Artois 1243–1302 | | |
| | Eleanor De Provence –1291 | | |
| | Isabella of Angouleme 1187–1246 | | | | | | | | Geoffrey V Plantagenet 1113–1151 | | | | Henry I Beauclerc 1068–1135 | | | | William I the Conqueror … 1024– | | |
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