Complex sentence: Alice married THOMAS O'HAGAN, 1st BARON O'HAGAN KP (29 May 1812--1 February 1885) Lord Chancellor of Ireland, born in Belfast, the son of a trader.
Split into simpler sentences: Alice married Thomas O'Hagan, 1st Baron O'Hagan KP (29 May 1812--1 February 1885). Born in Belfast, the son of a trader.