Complex sentence: After their wedding, and after taking over Dr. William James Harriss medical practice in July 1839, Dr. John D. Bellamy and his new wife Eliza lived in the Dock Street home of Eliza's now widowed mother Mary Priscilla Jennings Harris.
Split into simpler sentences: After their wedding, Bellamy took over Dr. William James Harriss medical practice in July 1839. The Bellamys lived in the Dock Street home of Eliza's now widowed mother, Mary Priscilla Jennings Harris.