Hi Maven, good catch! I hadn't gotten to the other "red flag" inconsistency in the line, yet. According to sources he has the right mother here (Joan Hill). However, her birthdate can't be right, because her mother would have been about 58 years old when she was born, if that was the case.
https://archive.org/details/wadhamsgenealogy00stev/page/n28/mode/1u...