Sir John Colquhoun
Sir John was born about 1353 in Luss, Dunbartonshire, Scotland.¹   He died on September 24th, 1439 in murdered.¹ 

 Jean Erskine
Jean was born about 1350 in Erskine, Renfrewshire, Scotland.

 Malcolm Colquhoun
Malcolm was born about 1371 in Luss, Loch Lomond, Dumbartonshire, Scotland.