House FitzRoy of Grafton
Cadet branch of the House of Stuart
- Coat of Arms
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House FitzRoy of Grafton
Barons Sudbury and Arlington
Viscounts Ipswich and Thetford
Earls of Euston and Arlington
Dukes of Grafton
- Cadet Branches
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House FitzRoy of Southampton
Lords of Whittlebury Lodge
Barons Southampton
Issued from Charles FitzRoy, 2nd son of Augustus FitzRoy and younger brother of Augustus FitzRoy, 3rd Duke of Grafton -
House of FitzRoy Newdegate
Lords of Arbury Hall
Viscounts Daventry
Issued from Edward FitzRoy, 2nd son of Charles FitzRoy, 3rd Baron Southampton
Assumed additional surname and arms of Newdegate family in 1936
- Personal Arms
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Charles FitzRoy
2nd Duke of Grafton
3rd Earl of Arlington
Knight of the Garter -
Maurice Fitzroy Newdegate
Lord of Arbury Hall
Younger brother of Robert FitzRoy, 2nd Viscount Daventry
Father of Francis FitzRoy Newdegate, 3rd Viscount Daventry