Complex sentence: Robert Rich, 2nd Earl of Warwick (1587-1658), English colonial administrator and admiral, was the eldest son of Robert Rich, 1st Earl of Warwick and of his wife Penelope Rich, and succeeded to the earldom of Warwick in 1619.
Split into simpler sentences: Robert Rich, 2nd Earl of Warwick (1587-1658) was an English colonial administrator and admiral. Rich was the eldest son of Robert Rich, 1st Earl of Warwick and of his wife Penelope Rich, and succeeded to the earldom of Warwick in 1619.