What is the evidence supporting William as son of Edmond Underwood and Edmund as son of John Underwood of Lamarsh in Essex
Thanks for any advice. President James Madison tree, there might be something published by Gary Boyd Roberts
https://www.amazon.com/Gary-Boyd-Roberts/e/B001JRYKFE%3Fref=dbs_a_m...
We have this source as a decent Underwood record.
https://www.findagrave.com/memorial/175811481/william-underwood