3rd Mórmaer
of Fife
  Gillemichel MacDuff
c1100
     
        Lay Abbot of Abernethy   Hugh MacDuff
c1125
married
Alfreka of Abernethy
   
            Orm MacDuff
c1155
     
            Laurence d'Abernethy
c1175
     
married Devorgilla, daughter of Lochlann (Roland) 3rd Laird of Galloway
    Hugh d'Abernethy
c1220
          Patrick d'Abernethy
c1200
 
    Alexander d'Abernethy           Willian d'Abernethy
c1220
 
married Margaret, daughter of Alexander de Menteith William d'Abernethy
c1293
Mary d'Abernethy
    Margaret d'Abernethy
      Helen d'Abernethy
c1340
 
married
Andrew Leslie
    married
John Stewart,
1st Earl of Angus
      married
Michael de Balfour