House of Brudenell

Cadet Branches
House of Brudenell-Bruce
Barons and Earls Bruce
Earls and Marquesses of Ailesbury
Viscounts Savernake
Barons Brudenell
Earls of Cardigan
Issued from Thomas, youngest son of George Brudenell, 3rd Earl of Cardigan who in 1767 assumed additional surname of Bruce from his mother's family
House of Monatgu-Douglas-Scott
Dukes of Buccleuch and Queensberry
Matrilineal branch issued from Elizabeth Montagu, daughter of George Montagu, 1st Duke of Montagu

Personal Arms
George Montagu
4th Baron Brudenell
4th Earl of Cardigan
Baron Montagu of Boughton
1st Marquess of Monthermer
1st Duke of Montagu
Assumed the name and arms of Montagu in 1749 from his wife's family
George Montagu
4th Baron Brudenell
4th Earl of Cardigan
Baron Montagu of Boughton
1st Marquess of Monthermer
1st Duke of Montagu
Alternative arms variant
James Brudenell
1st Baron Brudenell of Deene
5th Earl of Cardigan
2nd son of George Brudenell, 3rd Earl of Cardigan