Mayphil. The Morgan Horse Magazine. Feb 1988

https://www.allbreedpedigree.com/mayphil

Bred by Univ. of Conn. 

Had 9 registered foals, including:

--Bro-Rock Vigilmary, dam for Shaker's program.

--Vigilmay, dam 6, including Lord Appleton.

--the great Vigilmarch, sire of many.