Complex sentence: Thomas married Hannah Harrison Ludwell (1701-1750), the daughter of Colonel Philip Ludwell II (1672-1726) of Green Spring Plantation, and Hannah Harrison (1679-1731).
Split into simpler sentences: Thomas married Hannah Harrison Ludwell (1701-1750). Hannah was the daughter of Col. Philip Ludwell II (1672-1726) of "Greenspring", and Hannah Harrison (1679-1731).