It seems to be in German.
A couple of thoughts:
a. There are two weddings on this page, both on December 24th. My grandparents married in Lwow on December 27, 1911. Were Jews taking advantage of the Christmas season to get married?
b. In both weddings the bride is 46 years old, and the groom about 50.....
Galicia: Geisler, Niker, Gerner, Roth, Keller, Wolf, Infeld, Kwadratsein