Archibald de Douglas Sir
Archibald was born about 1198 in of Hermiston,Midlothian,Scotland.  He died in 1240.

 Margaret de Crauford
Margaret was born about 1198.  Margaret is no longer alive.

 William "Longlegs" de Douglas Sir
William "Longlegs" was born about 1215.  He died in 1276.

 Andrew of Hermiston de Douglas
Andrew of Hermiston was born before 1225.  He died about 1277.