Complex sentence: The house was the birthplace of John Lee Carroll in 1830, second son of Charles III, who would become Governor of Maryland.However, his father sold Homewood in 1839 to Samuel Wyman, a Baltimore merchant, who lived there with his family until 1865.
Split into simpler sentences: The house was the birthplace of John Lee Carroll in 1830, second son of Charles III, who would become Governor of Maryland. In 1839, Charles Carroll III sold Homewood to Samuel Wyman, a Baltimore merchant, who lived there with his family until 1865.