Family: John De Segrave / Blanche De Mowbray, [Baroness Poynin (F11017)
m. Abt 1349
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![John De Segrave, [Baron Segrave]](img/male.jpg){kind=small} | John De Segrave, [Baron Segrave] (1315-1353)
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 | Margaret Plantagenet, [DUCHESS OF NORF (1322-1399)
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| Elizabeth De Segrave, [BARONESS MOWBRA (1338-1367)  |
| John De Mowbray, [BARON MOWBRAY] (1310-1361)
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| Joan Plantagenet, [BARONESS MOWBRA (1310-1349)
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| John De Mowbray, [BARON MOWBRAY] (1340-1368) |
| Eleanor Mowbray, [BARONESS DE LA (1365-1404) |
| John De Segrave (1342- )
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| Blanche De Mowbray, [Baroness Poynin (1341-1409)
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