Sir John Colquhoun of Luss, 1st Bt. Peerage person ID=245712 (1596–1655) Parents Helen Buchanan Sir Alexander Colquhoun of Luss Children Katherine Colquhoun Jean Colquhoun Alexander Colquhoun, 1st of Tilliquhoun Sir John Colquhoun of Luss, 2nd Bt. Sir James Colquhoun of Luss, 4th Bt. Lilias Colquhoun Siblings Jean Colquhoun Katherine Colquhoun Adam Colquhoun Humphrey Colquhoun Nancy Colquhoun Partners Lady Lilias Graham