House of Moncreiffe
Moncreiffe, Moncreiff, Moncrieff, etc.
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House of Moncreiffe
Lords of Moncreiffe, Carnbee and Tippermalloch
Baronets of Moncreiffe
(1st creation)
Chiefs of Clan Moncreiffe
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House Moncreiffe of Rapness
Lords of Rapness, Easter Rhynd and Kirkwall
Baronets of Moncreiffe
(2nd creation)
Chiefs of Clan Moncreiffe
Issued from Hew, 2nd son of John Moncreiffe, 8th of Moncreiffe -
House Moncreiffe of Culfargie
Lords of Kintillo, Culfargie, Barnhill and Bandirran
Issued from Alexander, 4th son of William Moncreiffe, 10th of Moncreiffe -
House of Wellwood-Moncreiffe
Lords of Tullibole
Baronets of Moncreiffe
(1st creation)
Baronets of Kilduff
Barons Moncreiffe
Issued from Archibald, 2nd son of William Moncreiffe of Carnbee and younger brother of William Moncreiff, 11th of Moncreiff
Assumed additional name and arms of Wellwood family as successors
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Merlin Hay
24th Earl of Erroll
Eldest son and heir of Iain Moncreiffe, 11th Baronet of Moncreiffe (2nd creation) and Diana Hay, 23rd Countess of Eroll
Adopted the name from his mother's family