| | Alice de St. Omer 1343–1376 | | | | Thomas Hoo Lord of Luton 1312–1380 Isabel de. St. Leger 1320–1393 | | | | Hawise FitzWarin 1276–1344 | | | | Beatrix d'Andeville 1245–1316 | | |
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| | | Thomas de St. Omer 1320–1385 Petronilla Malmayns 1315–1372 | | | | William de St. Omer 1280–1353 Elizabeth de Parkin 1300–1352 | | | | Thomas de St. Omer 1240–1316 Alice St. Elizabeth 1240–1318 | | |
| | | Iseud de Beckyngham 1285– |
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| | | Nicholas Malmayns of Ockley 1286–1350 | | | | Nicholas Malmayns 1245–1291 | | |
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