Siblings August and Emma Henrietta Markwitz came to Rochester, NY in 1880's. August came married with wife Wilhemina Welke & children. May have last lived in Pudewitz, Posen before leaving. Emma Henrietta was married in Rochester, NY to Rudolph Welke. Marriage info states SILESIA as birthplace. Her parents are listed as Franz Markwitz and Barbara Reul. Born about 1859.