Duke of Grafton
Noble title
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Duke of Grafton is a title in the Peerage of England. It was created in 1675 by Charles II of England for Henry FitzRoy, his second illegitimate son by the Duchess of Cleveland. The most notable duke of Grafton was Augustus FitzRoy, 3rd Duke of... Wikipedia
First holder: Henry FitzRoy
Peerage: Peerage of England
Seat(s): Euston Hall
Subsidiary titles: Earl of Euston; Viscount Ipswich; Baron Sudbury