Complex sentence: John Browne, 1st Earl of Altamont, (born c.1709-4 July 1776), an Irish peer and politician, was a son of Peter Browne and Mary Daly.
Split into simpler sentences: John Browne, 1st Earl of Altamont, Irish peer and politician, c.1709-4 July 1776. Browne was a son of Peter Browne and Mary Daly.