I tried to add some information to Jan (John) Zupka quiry but was unable to edit. I found John’s birthdate to be 7/14/1854 he was morn to a Marianna (born 1831) John was Illegitimate. John’s wife was Anna Supinski 3/15/1856 in Posen, Preussen, Germany
Marianna Zupka had one or two illegitimate sons. Zupka is her maiden name.
Marianna later married in 1858 Franciscus Karwata.