El:1, Gd:1, Ka:2, Lg:1, Po:2
Ls:1, Po:4, Sz:1
Wa:2, Kr:1, Po:1, Sz:1
Wa:122, BB:33, By:141, Ch:1, Cz:13, El:10, Gd:47, Go:31, JG:22, Kl:13, Ka:76, Ki:37, Kn:28, Ko:18, Kr:74, Ks:73, Lg:37, Ls:32, Lu:5, £d:10, NS:22, Ol:13, Op:21, Pl:69, P³:5, Po:430, Ra:13, Rz:9, Sd:5, Sk:11, S³:21, Su:7, Sz:43, Tb:145, Ta:5, To:42, Wb:41, W³:6, Wr:68, Za:3, ZG:46
The ~ depict Polish alphabet letters with diacritical marks.The program they use for the letters at GenForum are not condusive to using the proper ones.
Your family name is most likely one of these.There are no names in Polish, of which I am aware, beginning with the letters Kz.
You definitely need to pinpoint where Rozalia was born to learn where her religious and civil records would have been recorded.