*Mary Douglas
born about 1403 Mar, Aberdeenshire, Scotland

father:
*George Douglas
born about 1376 Mar, Aberdeenshire, Scotland
died 1402 Battle of Hamildon, Lancashire, England

mother:
*Mary Princess of Scotland
born about 1380 Dunfermline, Fifeshire, Scotland
died 1458 Scotland
married 24 May 1397

siblings:
William Douglas born about 1399 Mar, Aberdeenshire, Scotland died October 1437

spouse:
*Sir David (of Loch & Yester) Hay
born about 1400 Lockerworth, Scotland
died before 2 September 1478

children:
*Isabel Hay born about 1445 Yester, Scotland
John (of Loch & Yester) Hay died 23 October 1508

biographical and/or anecdotal:

notes or source:
LDS
ancestry.com