Family: Sir John Giffard / Lucy de Elmbrugge Morteyn (F1187)
Sir John Giffard (1270-1328) 
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Alexandra de Lahaye Gardinis (1279-1327)
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| Edmund Giffard, Knight (1303- ) |
| Thomas Giffard (1305- ) |
| Sir John de Morteyn (1279-1346)
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| Joan de Rothwell (1281- )
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| Edmund de Morteyn, Canon of York ( -1366) |
John de Morteyn ( -1362)  |
| Sir John Giffard (1301-1369)
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| Lucy de Elmbrugge Morteyn (1305-1361)
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| John Giffard (1327- ) |
| Richard Giffard (1331- ) |
| Nicholas Giffard (1335-1374) |
| Gilbert Giffard (1340-1373) |
| Sir Thomas Giffard (1345-1394) |