Douglas-Hamilton is the family surname of the Dukes of Hamilton and Earls of Selkirk.
She successfully petitioned King Charles II for her husband to be made the 3rd duke,[1] and the surname at some point became Douglas-Hamilton.
Upon the death of a cousin, the Duke of Douglas, in 1761 without heir, his subsidiary titles and the nominal seniority of the Clan Douglas were devolved onto the 7th Duke of Hamilton.
These titles are: The arms of the head of the house are: Quarterly; 1st and 4th grandquarters, counterquartered (i) and (iv) Gules, three cinquefoils Ermine (for Hamilton), (ii) and (iii) Argent, a lymphad Sable, sails furled proper, flagged-Gules (for The Isles (Arran)); 2nd and 3rd grandquarters, Argent, a man's heart Gules ensigned with an imperial crown proper, on a chief Azure three stars of the First (for Douglas).
Following are listed the dukes and duchesses of Hamilton with the compound surname: Other members of the family include: