William Douglas
William was born in 1320 in Douglas, Lanarkshire, Scotland.  He died at the age of 64 in May 1384 in Douglas, Lanarkshire, Scotland.

 Margaret Dunbar
Margaret was born about 1305 in Dubar Castle, East Lothian, Scotland.  She died on October 19th, 1393.

 Margaret Douglas
Margaret was born in 1333 in Douglas, Lanarkshire, Scotland.

 James Douglas
James was born in 1358 in Douglas, Lanarkshire, Scotland.  He died at the age of 30 on August 19th, 1388 in Otterburn.