House of Watson
- Coat of Arms
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House of Watson
Lords and Baronets of Rockingham
Barons Rockingham and Throwley
Viscounts Sondes
Earls of Rockingham
- Cadet Branches
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House of Watson-Wentworth
Lords of Wentworth
Baronets of Rockingham
Barons Malton, Harrowden, Wath and Rockingham
Viscounts Higham
Earls of Malton
Marquesses of Rockingham
Issued from Thomas, 2nd son of Edward Watson, 2nd Baron Rockingham who added the surname and arms of Wentworth from his mother's family -
House of Wentworth-FitzWilliam
Viscounts Milton
Barons and Earls FitzWilliam
Matrilineal branch issued from Anne, daughter of Thomas Watson-Wentworth, 1st Marquess of Rockingham -
House Watson of Sondes
Viscounts Throwley
Barons and Earls Sondes
Matrilineal branch issued from Margaret Watson, youngest daughter of Lewis Watson, 1st Earl of Rockingham