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 | John Willoughby (1320-1372) |
 | Cecily Ufford ( -1372) |
| 3rd Baron Zouche William la Zouche (1355-1396) |
| 4th Baron Willoughby de Eresby Robert Willoughby (1350-1396)
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| Margery la Zouche (1352-1391)
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| Sir Thomas Willoughby ( -1417)  |
