Complex sentence: Nolan was born in Upper Canada, now Ontario on January 4,1818, the third, but second surviving son of Captain John Babington Nolan, 70th Regiment of Foot, and his wife Eliza Harleston Hartley.
Split into simpler sentences: Nolan was born in Upper Canada, now Ontario, on January 4,1818. He was the third, but second surviving son of Captain John Babington Nolan (70th Regiment of Foot) and his wife Eliza Harleston Hartley.