Cadet branch of the House of MacDonald
- Coat of Arms
House MacDonnell of Dunnyveg
Lords of Dunnyveg, Kintyre
and the Glens
Lords of Murlough and Kilmore
Baronets of Moye
Viscounts Dunluce
Earls of Antrim
Randal William MacDonnell, 6th Earl of Antrim was created 1st Marquess of Antrim in 1789 but died without male issue
- Cadet Branches
House MacDonald of Largie
Lords of Largie
Issued from illegitimate son of 1st Lord of Dunnyveg
House MacDonnell of Antrim
Lords of Glenarm
Viscounts Dunluce
Earls of Antrim
Matrilineal branch issued from Charlotte, younger daughter and heir of Randal William MacDonnell, 1st Marquess of Antrim