Complex sentence: The plantations passed on to a male Chesnut descendant, and Mary Boykin Chesnut received almost no income for her support; she also found her husband had many debts related to the estate, which he had been unable to clear.
Split into simpler sentences: The plantations passed on to a male Chesnut descendant, and Mary Boykin Chesnut received almost no income for her support. She also found her husband had many debts related to the estate, which he had been unable to clear.