Mary married John Sinclair, Of Deskford about 1410 in Upper Town of Saltoun, Haddingtonshire, Scotland. John (son of Richard Sinclair, Of Deskford and Joanna De Fynletyr) was born in 1385 in Deskford, Banffshire, Scotland; died on 24 Jul 1411 in Battle of Harlaw, Aberdeenshire, Scotland. [Group Sheet] [Family Chart]

1. Margaret Sinclair, Heiress Of Deskford And Findlater was born in 1422 in Edinburgh, Midlothian, Scotland; died in Moray, Banffshire, Scotland, United Kingdom; was buried in Scotland.

Family/Spouse: Lord John Sinclair, Of Shetland. John (son of Richard Sinclair, Of Deskford and Joanna De Fynletyr) was born on 15 May 1374 in Kirkton, Roxburghshire, Scotland; died on 1 Feb 1420 in Killed the Battle of Harlaw In Aberdeenshire, Scotland. [Group Sheet] [Family Chart]