For Rosina Skopik sister Katarina, I find her born May 25, 1873. Actapublica 5556, Image 132
Sounds to me like you've really caught the genalogy bug.
A word of warning, there is no cure.
You may find yourself falling in love with Czech crystal like I did. My husband prefers Czech beer.
Take a good camera with you and a note pad.
You may find your kin in a cemetery, but they may have also been disenterred and put in an ossuary (bone house)
I've been looking into the Gargulak family and maybe have some ideas.