Sumner Fred Opferbeck  ‎(I05187)‎ Name: Sumner Fred Opferbeck Source: World Family Tree Vol. 1, Ed. 1 Publication: Release date: November 29, 1995 Citation Details:  Tree #3188   Text: Date of Import: Mar 14, 2000 Source: leyda.FTW   Text: Date of Import: Mar 14, 2000 Source: master.FTW   Text: Date of Import: Mar 14, 2000 Source: World Family Tree Vol. 1, Ed. 1 Publication: Release date: November 29, 1995 Citation Details:  Tree #3188   Text: Date of Import: Nov 4, 1999 Source: leyda.FTW   Text: Date of Import: Nov 4, 1999 Source: master2.FTW   Text: Date of Import: Jul 12, 2000 Source: WEBSITE.GED   Text: Date of Import: Mar 4, 2015     Gender: Male        Birth: