(1) He is married to Muriel Byset.
They got married
Child(ren):
(2) He is married to Annabella of Strathearn.
They got married
Child(ren):
E: Sir David Graham of Dundaff (d c1270) Various sources indicate that his wife was Annabella, daughter of 4th Earl of Strathearn. TSP (Strathearn) specifically contradicts this and reports "the evidence is clear that she was the wife of his son Sir Patrick".