Derbforgaill of Osraige
Generation: 1
1. Derbforgaill of Osraige Derbforgaill — Toirdelbach Ua Briain. Toirdelbach (son of Tadc mac Briain and Mór) was born 1009; died 14 Jul 1086. [Group Sheet]
Children:- Muirchertach Ua Briain was born Abt 1050; died Abt 10 Mar 1118/19.