William was born about 1369 in Stoke Albany, Northamptonshire, England, the son of Thomas de Ros and Beatrice de Stafford.
He died on 01 SEP 1414 in Belvoir castle, Belvoir, Leicestershire, England .
He had two marriages/partners. His first wife was Margaret FitzAlan, who he married on 9 OCT 1394. The place has not been found. Their nine known children were John (c1397-1421), Margaret (c1398-1423), William (?-?), Thomas (1406-1430), sir Robert (?-?), sir Richard (?-?), Alice (?-?), Beatrice (?-?) and Elizabeth (?-?).
His second wife was Joan de Bermingham. They were married, but the date and place have not been found. Their only known child was Katherine (c1355-?).
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sir William de Ros |
Thomas de Ros |
William III de Ros |
William III de Ros |
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Maud de Vaux |
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Margery de Badlesmere |
Bartholomew de Badlesmere |
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Margaret de Clare |
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Beatrice de Stafford |
Ralph KG de Stafford |
Edmund de Stafford |
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Margaret Bassett |
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Margaret de Audley |
Hugh de Audley |
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Margaret de Clare |
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| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | ABT 1369 |
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| Death | 1 SEP 1414 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | baron de Ros of Helmsley 6° | |||||
| Nobility Title | treasurer of England |