Maria was born on 10 JUL 1736 in St James's Palace, London, England, the daughter of unknown parents.
She died on 22 AUG 1807 in Oxford Lodge, Brompton, Middlesex.
Her husband was William Henry Hanover, who she married in 1766. The place has not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | 10 JUL 1736 |
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| Death | 22 AUG 1807 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | dowager countess of Waldegrave |
Note 1
daughter of Edward Walpole and Dorothy Clement.