Archibald de Douglas
Archibald was born in 1170 in Hermiston, Midlothian, Scotland.  He died at the age of 70 in 1240.

 Margaret de Crawford
Margaret was born in 1279.

 William ("Long Legs") de Douglas
William, known as "Long Legs", was born in 1200 in Hermiston, Midlothian, Scotland.  He died at the age of 76 in 1276.