More O' Brien 
More's father was Donal Mor O' Brien King Of Munster and her mother was Urlachan Of Leinster. Her paternal grandparents were Turloch O' Brien King Of Munster and Raignalt O' Fogurty; her maternal grandparents were Dermot Of Leinster King and Cacht O' Moore. She was an only child.
Details of More's family with William De Burgh Lord Connaught
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