Yes, that is his sister. It does get very confusing w/all of the Josefs and Annas...since Josef (b. 1879) also married an Anna (Sevcik) and also named his dtr. Anna (b. 1906). The Jancsek family moved to Illinois, close to the St. Louis area, as did some of the Hosnas. We still keep in touch w/the cousins in Highland, Ill.
Do you have a connection?