In our great family research,I have a Joseph Kohler 1848 Piqua-1926 Wapak s/o Francis & Catherine (Blust) Kohler. Joseph m'd twice first to Mary Engenwohiler my notes says they had four children (no names).Second marriage to our Anna Trentman 1855 Freyburg-1940 Wapak.Joseph & Anna had 5 known children;William 1881-1965 m'd Rosa Speidel,Otto 1882- ? m'd Margaret Steineker,Philip 1884 Auglaize Co.-1957 m'd Cleola Kantner,Charles 1886-1972 m'd Etta Rader & Clara 1877-? m'd William Mansky.My stepson Scott Knerr and I have all this info into Ancestry.com.Respectfully Linda Knerr 312 E. Mechanic St.Wapakoneta,Ohio