Complex sentence: His ancestor the Rev. John Leslie, Bishop of the Isles, moved from Scotland to Ireland in 1633 when he was made Bishop of Raphoe in Donegal and was subsequently made Bishop of Clogher in 1661 Burke's Peerage.
Split into simpler sentences: His ancestor the Rev. John Leslie, Bishop of the Isles, moved from Scotland to Ireland in 1633 when he was made Bishop of Raphoe in Donegal. He was subsequently made Bishop of Clogher in 1661 Burke's Peerage.