Complex sentence: Maria married her childhood friend and cousin John Wayles Eppes on October 13,1797, at Monticello, and the couple resided at his plantation, Mont Blanco, on the James River in Chesterfield.
Split into simpler sentences: Maria married her childhood friend and cousin John Wayles Eppes on October 13,1797, at Monticello. The couple resided at his plantation, Mont Blanco, on the James River in Chesterfield.