Lord James Douglas Of Hermiston
James was born after 1275 in Hermiston,Midlothian,Scotland.  He died on April 20th, 1323 in of Kincavil & Calderclear,Lothian,Scotland.¹ 

 Joan
Joan was born in 1280 in Scotland.  Joan is no longer alive.

 Earl William Douglas Of Atholl
William was born about 1300 in Lugton,Strathclyde,Scotland.  He died in August 1353 in Dalkeith,Midlothian,Scotland (killed - dspm).¹ 

 Lord John Douglas Of Hermiston
John was born about 1303 in Hermiston,Midlothian,Scotland.  He died in Killed by order of Sir David Barclay of Brechin.¹