Complex sentence: Sally never identified the father of Adam Clayton Powell, Sr., born 1865, but appeared to have named him after her older brother Adam Dunning, listed on the 1860 census as the head of their household and a farmer.
Split into simpler sentences: Sally never identified the father of Adam Clayton Powell, Sr., born 1865. She appeared to have named him after her older brother Adam Dunning, listed on the 1860 census as the head of their household and a farmer.