House Kerr of Ferniehirst

Cadet Branches
House Kerr of Ancram
Lords of Woodhead and Ancram
Earls of Ancram
Issued from Robert Kerr of Woodhead, 3rd son of Andrew Kerr of Ferniehirst
House Kerr of Lothian
Earls of Ancram and Lothian
Marquesses of Lothian
Issued from the eldest son of 1st Earl of Ancram who married his cousin Anne Kerr, 3rd Countess of Lothian from Cessford branch
House MacDonnell of Antrim
Earls of Antrim
Viscounts Dunluce
Issued from 3rd son of 5th Marquess of Lothian
Adopted the name and arms from MacDonnell's of Antrim

Personal Arms
Robert Carr
1st Earl of Somerset
Viscount Rochester
3rd son of Thomas Kerr of Ferniehurst
Uncle of 4th Lord Jedburgh
William Kerr
Lord Kerr of Newbattle
1st Earl of Lothian
Son of 1st Earl of Ancram from his 1st marriage
Father of 1st Marquess of Lothian