George DOUGLAS
George was born in 1446.  He died at the age of 17 on March 12th, 1463.

 Isobel SIBBALD
Isobel was born about 1449 in Balgonie, Fifeshire, Scotland.  She died before February 21st, 1497.

 Archibald DOUGLAS
Archibald was born in 1448.  He died about November 1503 in St. Ninians, Scotland.