Complex sentence: The name "Stanley" was carried in recognition of his mother's family; she was a sister of Rev. Jacob Stanley, president of the British Wesleyan Methodist Conference, and Sarah Chalkey Stanley, who married George Pearce Baldwin.
Split into simpler sentences: The name "Stanley" was carried in recognition of his mother's family. She was a sister of Rev. Jacob Stanley, president of the British Wesleyan Methodist Conference, and Sarah Chalkey Stanley, who married George Pearce Baldwin.