Iain Moncreiffe

Sir Iain Moncreiffe Bt CVO QC FSA Scot
Bust of Moncreiffe in the Register House, Edinburgh
Born	9 April 1919
Died	27 February 1985 (1985-02-28) (aged 65)
Occupation	Officer of Arms, genealogist
Nationality	British
Alma mater	University of Edinburgh Christ Church, Oxford
Subject	Genealogy, heraldry
Notable works	Simple Heraldry (1953) Blood Royal (1956) The Highland Clans (1967)
Spouse	Diana Hay, 23rd Countess of Erroll ​ ​ (m. 1946⁠–⁠1964)​ Hermione Patricia Faulkner ​ ​ (m. 1966⁠–⁠1985)​
Children	Merlin Hay, 24th Earl of Erroll Peregrine Moncreiffe of that Ilk Lady Alexandra Moncreiffe Hay

Sir Rupert Iain Kay Moncreiffe of that Ilk, 11th Baronet, CVO, QC, FSA Scot (9 April 1919 – 27 February 1985), Chief of Clan Moncreiffe, was a British Officer of Arms, historian and genealogist.^[a]
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