Isabella married 2nd Lord of Saltoun William Abernethy in 1464 in East Lothian, Scotland. William (son of 1st Lord Saltoun of Abernethy Laurence Abernethy and Margaret Stewart) was born in 1449 in Haddington, East Lothian, Scotland; died on 11 Jun 1488 in Sauchieburn, Stirlingshire, Scotland. [Group Sheet] [Family Chart]