William Douglas
William was born about 1395 in Drumlanrig Castle, Durisdeer, Dumfrieshire, Scotland.  He died in 1458 in Drumlanrig Castle, Durisdeer, Dumfrieshire, Scotland.

 Jean Maxwell
Jean was born before 1412 in Caerlaverock Castle, Dumfriesshire, Scotland.

 Angelica Douglas
Angelica was born about 1417 in Drumlanrig Castle, Durisdeer, Dumfrieshire, Scotland.

 William Douglas
William was born about 1430 in Drumlanrig Castle, Durisdeer, Dumfrieshire, Scotland.  He died in 1464 in Lochmaben, Scotland.