John (Jan) Rog was born in Austrian Poland about 1878. His father was Maciej Rog. John entered the United States in 1900. About 1907 he married Barbara Sasak (sometimes called “Bessie”), who was then 20 and had entered the USA in 1906. They lived on 17th Street in Chicago and later on Whipple Street. Their children were Mary (Marianna), Walter (Wladyslav), Theodore (or Thaddeus), Jessie (or Tessie), James, Sally, and Rudolph. John Rog was the brother of Maryanna Rog, who immigrated in 1909 at the age of 18, giving her brother’s name and address as US contact. She married Andrew Szurek and lived in Minneapolis, Minnesota.