Sir William Douglas of Drumlanrig

 He died in his father's lifetime.

He received lands from his illegitimate half-brother, Robert, Provost of Lincluden.

Death: 25th September 1572 

NOTE:  This does not seem correct??

Marriage 1 Margaret, dau of Sir James Gordon of Lochinvar

• Children:  

1. Sir James Douglas, 7th Laird of Drumlanrig 
2.     Margaret Douglas = Contract 13 Nov 1593 Sir Robert Montgomerie of Skelmorlie
3.     Janet Douglas = Sir James Murray of Cockpool
4.     Helen
5.     Christian = Sir Robert Dalzell, 1st Earl of Carnwarth
6.     Jean

See also: The Lairds of Drumlanrig