sentences:  BASIL HAMILTON of Baldoon (c1696-1742), married Isabella Mackenzie, on 14 March 1719, by whom they had two sons Basil Hamilton, who died young, and Dunbar Hamilton, born on 1 December 1722.DUNBAR HAMILTON, eldest son of Basil Hamilton of Baldoon, resumed the name of DOUGLAS, the paternal one of his family, upon his succeeding to the honours of Earl of Selkirk, in 1744.It was therefore about then that possession of St Mary's Isle was obtained by Lord Selkirk, The 4th Earl, who was seen to gradually add to the St Mary's Isle Estate.