DONo Photo AvailablePERSON-025272Derbforgaill O'NéillResearch NeededProbableView in family treeCalculate relationshipImportant people related to this personO'Néill familyLife detailsGenderUnknownRelationshipsSpouses & partnersDMNo Photo AvailableDonnchad mac MurchadaABT 1060 – 8 DEC 1115Married ([date unknown])EventsMarriage of Donnchad mac Murchada and Derbforgaill O'NéillMarriage • ([date unknown])