He is married to Margaret of Mar.
They got married
Child(ren):
file:///E:/E-S009/genealogy/Grab_A_Site_downloads/euweb/lennox1.htm
(a) Malcolm, 5th Earl of Lennox (d Halidon Hill 19.07.1333) §Dm. Margaret (??) (sister or daughter of Donald, Earl of Mar) ((1)) Donald, 6th Earl of Lennox (dspm by 1364) ((A)) Margaret, Countess of Lennox
.. m. (c1344) Walter de Faslane, Lord of Lennox (d 1385) below
.. ((2)) Murdach of Duntreath (dsp) ((3)) Malcolm of Lennox ((4)) daughter
.. m. Duncan de Atholl, 5th of Glenerochie (a 1346)
The data shown has no sources.