Biography
William Poyntz was born circa 1734 to Stephen Poyntz (1685-1750) and Anna Maria Mordaunt (1712-1771) and died 13 May 1809 of unspecified causes. He married Isabella Courtenay (1740-1805) 22 April 1762 .
Children
| Name | Birth | Death | Joined with |
| Georgina Ann Poyntz (1763-1851) | |||
| Charlotte Louisa Poyntz (1766-1840) | |||
| William Stephen Poyntz (c1769-1840) | 1769 | 8 April 1840 | Elizabeth Mary Browne (1767-1830) |
| Isabella Henrietta Poyntz (c1771-1843) | 1768 Midgham, Berkshire, England, United Kingdom | 29 November 1843 Marston House, Frome, Somerset, England, United Kingdom | Edmund Boyle, 8th Earl of Cork (1767-1856) |
| Carolina Amelia Poyntz (c1773-1851) | |||
Footnotes (including sources)
| ‡ General |
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