William Douglas
William was born about 1399 in Aberdeen,  Aberdeenshire,  Scotland.  He died in 1437 in Scotland.

 Margaret  Elizabeth Hay
Margaret  Elizabeth was born in 1404 in Locharret,  Scotland.  She died at the age of 80 in 1484 in Scotland.

 George Douglas
George was born about 1425 in Tantallon  Castle,  East  Lothian,  Scotland.  He died in Angusshire,  Scotland.