Complex sentence: Joseph William Lionel, 17th Lord Petre (5 June 1914--1989) succeeded to the Barony of Petre in 1915 and was the patron of three livings but, being a Roman Catholic, could not present.
Split into simpler sentences: Joseph William Lionel, 17th Lord Petre (05/06/1914--1989). He succeeded in 1915 and was the patron of three livings but being a Roman Catholic could not present.