| Male Humphrey de Bohun, Constable of England, Lord of Trowbridge (maid. name III) |
| Birth | 1144 | Gloucestershire, England |
| Death | December 1181 | Hertford, Hertfordshire, England |
| Burial | Hempsted, City of Gloucester, Gloucestershire, England |
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| Marriage | ||
| Father | Humphrey II de Bohun | F3989 Group Sheet | |
| Mother | Margaret of Hereford | F3989 Group Sheet | |
| Female Margaret of Huntingdon, Duchess of Brittany |
| Birth | 1145 | Huntingdon, Huntingdonshire, England |
| Death | 1201 | North Riding, Yorkshire, England |
| Burial | Sawtry, Huntingdonshire District, Cambridgeshire, England |
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| Father | Henry of De Huntingdon | F3993 Group Sheet | |
| Mother | Ada De Huntingdon | F3993 Group Sheet | |