William was born on 13 AUG 1709, the son of unknown parents. The place is not known.
He died on 18 SEP 1764. The place is not known.
He had two marriages/partners. His first wife was Henrietta de Nassau d'Auverquerque, who he married in 1732. The place has not been found. They had no known children.
His second wife was Georgiana Carolina Carteret, who he married in 1750. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | 13 AUG 1709 |
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| Death | 18 SEP 1764 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | FROM 1718 TO 1723 | viscount Fordwich | ||||
| Nobility Title | FROM 1723 TO 1764 | earl Cowper |
Note 1
eldest son of William Cowper, 1st Earl Cowper, by Mary, daughter of John Clavering