The Earl is also Chief of the Name and Arms of Home and heir general to the House of Douglas.
After the unexpected resignation of Harold Macmillan, the 14th Earl was named Prime Minister by the monarch.
The family seats are The Hirsel near Coldstream, Berwickshire, and Castlemains near Douglas, South Lanarkshire.
His descendant William de Home (son of Sir Patrick de Greenlaw, the second son of Cospatric III, Earl of Lothian), adopted the surname following his acquisition of the lands of Home in Berwickshire during the early 13th century, through his marriage to his second cousin Ada (the daughter of Patrick I, Earl of Dunbar).
[3] Styled as Lord Dunglass between 1995 and 2022, in 2017 he married Sally Antoinette Underhill, a daughter of Group Captain Gregory B. P.