Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States: who were themselves notable or left descendants notable in American history, with a 2008 Addendum, Coda, and Final Additions. Baltimore, MD: Gen Pub Co, 2008. NYPL APK 08-4216. Information from this source tagged as [Ref: Roberts RD600 p[0-9]*].
Sources for birth and parent Information
parents:
Humphrey UNDERHILL & ___ HALL [Ref: Roberts RD600 p558]
Sources with Information about marriage to Sarah (SMITH)
date:
second marriage of Sarah [Ref: Roberts RD600 p558],
names:
Humphrey UNDERHILL & Sarah ___ [Ref: Roberts RD600 p558]
Research Notes:
immigrant to New York [Ref: Roberts RD600 p558]