Oliver Grover Wynkoop  ‎(I20412)‎ Name: Oliver Grover Wynkoop Source: World Family Tree Vol. 4, Ed. 1 Publication: Release date: August 23, 1996 Citation Details:  Tree #4148   Text: Date of Import: Jul 19, 2000 Source: v4t4148.FTW   Text: Date of Import: Jul 19, 2000 Source: WEBSITE.GED   Text: Date of Import: Mar 4, 2015     Gender: Male        Birth: March 2 1886 37 -- Gardiner, NY Death: June 1950 ‎(Age 64)‎ -- Walden, NY