He was also the heir-general of Malcolm I, as his paternal grandfather, Duncan of Atholl was the third son of Malcolm I. The House of Dunkeld was therefore closely related to the House of Alpin.
Tamén foi un alto xeneral de Malcolm I, xa que o seu avó paterno, Duncan de Atholl era o terceiro fillo de Malcolm I. A casa de Dunkeld estaba polo tanto estreitamente relacionada coa casa de Alpin.