http://www26.us.archive.org/stream/heraldryofmurray00john#page/10/mode/2up Page 10 No. 58 (b)

(58) Sir William Dunbar, second Baronet of Hempriggs, died 1792. He was served heir to his brother, James, 22nd April 1760. He married, first, 6th January 1729, Elizabeth, daughter and heiress of Alexander Dunbar of Westfield, who died 3rd June 1746. He married, second, 2 1st March 1747, Jean, daughter of David Sinclair of Southdun, who died s.p. 9th August 1749. He married, third, 21st October 1749, Henrietta, daughter of Hugh Rose of Kilravock, who died September 1795. By his first wife he had:

58(a) Kenneth Dunbar, born 14th October 1729. 58(b) James Dunbar, born 12th November 1730 ; died young.

also at

https://sites.google.com/site/fivegateways/alphabetical-index-s/sutherland/suth0061