1st Earl of Douglas William Douglas
William was born in 1327 in Douglas Castle, Douglas, Lanarkshire, Scotland.¹   He died at the age of 57 in May 1384.¹ 

 Margaret Stewart
Margaret was born in 1354 in Angusshire, Scotland.¹   She died at the age of 63 in 1417 in Angusshire, Scotland.¹ 

 George Douglas
George was born in 1378 in Mar, Aberdeenshire, Scotland.² 

 Margaret Douglas
Margaret was born in 1380 in Mar, Aberdeenshire, Scotland.¹   She died at the age of 45 in 1425.¹