 MaleJohn Willoughby |
| Birth | Abt 1320 | Eresby, Lincolnshire, England  |
| Death | 29 Mar 1372 | Lincolnshire, England |
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 FemaleCecily Ufford |
| Birth | Eresby, Lincolnshire, England |
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| Death | 29 Mar 1372 | Lincolnshire, England |
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| Male + 4th Baron Willoughby de Eresby Robert Willoughby |
| Birth | Abt 1350 | England |
| Death | 09 Aug 1396 | Eresby, Lincolnshire, England |
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| Spouse | Margery la Zouche | F4575 | |
| Marriage | Bef 01 Oct 1369 | |
| Spouse | 5th Baroness Latimer Elizabeth Latimer | F4579 | |
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