Isabella FitzRoy, Duchess of Grafton

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The countess and her son.
The countess and her son.

Isabella FitzRoy, 2nd Countess of Arlington and Duchess of Grafton (c. 16687 February 1723) was the daughter of Henry Bennet, 1st Earl of Arlington and Isabella de Nassau. Her mother was a daughter of Lodewijk of Nassau, granddaughter of Maurice of Nassau, Prince of Orange and great-granddaughter of William the Silent.

On 1 August 1672, she married the Earl of Euston (later created Duke of Grafton), the illegitimate son of King Charles II and his mistress the Duchess of Cleveland. They had one son, Charles FitzRoy (16831757).

On the death of her father in 1685, Isabella succeeded to his titles suo jure. Henry died five years later in 1690 and the Countess was re-married to Thomas Hanmer on 14 October 1698.

Peerage of England
Preceded by
Henry Bennet
Countess of Arlington
1685–1723
Succeeded by
Charles FitzRoy

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