See https://fmg.ac/Projects/MedLands/SCOTTISH%20NOBILITY.htm#MalcolmMac...
A snippet. Much more at the source.
DUNCAN Macduff, son of DUNCAN Macduff Earl of Fife & his wife --- (-[Aug/Dec] 1203). m (Edinburgh [1159/60]) ELA, daughter of ---. Malcolm IV King of Scotland Duncan and his wife had four children:
1. MALCOLM Macduff (-1228,
2. DUNCAN Macduff . m ALICE Corbet, daughter of WALTER Corbet of Makerstoun & his wife Alice de Valognes. Duncan & his wife had one child:
a) MALCOLM Macduff (-1266).
3. DAVID (-[after 12 Feb 1236])
4. daughter
