Question: What is the date of death of Domhnall Caomhánach's father?
Sentence (from "Domhnall Caomhánach"): Domhnall Caomhánach (Domhnall mac Murchada or Domhnall Caomhánach mac Murchada, anglicized as Donal Kavanagh) is the ancestor of the Caomhánach line of the Uí Ceinnselaig dynasty and was King of Leinster from 1171 to 1175.
Relevant evidence: No