"Henry FitzRoy, 1st Duke of Grafton, KG (28 September 1663 – 9 October 1690) was an illegitimate son of King Charles II of England and his mistress ...
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Barbara Villiers. A military commander, Henry FitzRoy was appointed colonel of the Grenadier Guards in 1681 and Vice-Admiral of England from 1682 to 1689. He was killed in the storming of Cork during the Williamite–Jacobite War in 1690." - (en.wikipedia.org 12.08.2021)
