Complex sentence: The record showed that a similar provision would apply to Rit's children, and that any children born after she reached 45 years of age were legally free, but the Pattison and Brodess families had ignored this stipulation when they inherited the slaves.
Split into simpler sentences: The record showed that a similar provision would apply to Rit's children, and that any children born after she reached forty-five years of age were legally free. But, the Pattison and Brodess families had ignored this stipulation when they inherited the slaves.