Cornelius O'Callaghan, 1st. Earl of Lismore
Unknown - Unknown
Generation: 1
1. Cornelius O'Callaghan, 1st. Earl of Lismore was born in Unknown; died in Unknown. Cornelius married Frances Ponsonby. Frances (daughter of Rt. Hon. John Ponsonby and Lady Elizabeth Cavendish) was born in Unknown; died in Unknown. [Group Sheet]