He was related to Niall Caille and his son , Áed Findliath , who was married to Máel Muire , daughter of King Kenneth MacAlpin .
Head entity: niall caille Q608420 4 5
Tail entity: áed findliath Q1271722 10 11
Relation (head \u2192 tail): P22
Inverse relation (tail \u2192 head): P40