Heylyn Fraser Matheson Matheson of that Ilk1
He was a Housemaster at St. Edmund’s School, Canterbury, Kent, EnglandG.1 He was a Housemaster at Eastbourne College, Eastbourne, Sussex, EnglandG.1 He held the position of Chief of the Clan Matheson from in 1899.1
Children of Heylyn Fraser Matheson Matheson of that Ilk and Ethel Nina Hall-Say
- Charles Lionel Theodore Matheson2 b. 1889
- Colonel Bertram Heylyn Matheson of that Ilk2 b. 1890, d. 1975
- Margaret Esme Matheson1 b. 1892
Ethel Nina Hall-Say1
Her married name became Matheson.
Children of Ethel Nina Hall-Say and Heylyn Fraser Matheson Matheson of that Ilk
- Charles Lionel Theodore Matheson2 b. 1889
- Colonel Bertram Heylyn Matheson of that Ilk2 b. 1890, d. 1975
- Margaret Esme Matheson1 b. 1892
Charles Lionel Theodore Matheson1 
Colonel Bertram Heylyn Matheson of that Ilk1 
He was awarded the Military Cross (M.C.)1 He gained the rank of Colonel in the Army.1 He held the position of Chief of the Clan Matheson from in 1963.1 He was recognised by Lord Lyon King of Arms, and matriculated his arms at the Lyons Court on 24 June 1963.1
John Cameron Matheson1 
Donald Charles Cameron Matheson1 
Anthony Barclay Matheson1 
Murdoch Matheson of Balmacarra1

Child of Murdoch Matheson of Balmacarra and Roderick Mackenzie of Davochmaluag
Child of Murdoch Matheson of Balmacarra and Christian Clerk
Christian Clerk1 
From 27 April 1631, her married name became Matheson.
Child of Christian Clerk and Murdoch Matheson of Balmacarra
Dugald Matheson1 
He lived Balmacarra.1
