{geni:about_me} Marriages:

1) Year 1900, location Stadttempel, Wien, per genteam.at
* Last Name '''Köller''' - Kohn, First Name Wilhelm [d. 1910 at 41]
* Last Name '''Kohn''', First Name Irma

2) Year 1918, location Fünfhaus, Wien
* Last Name Kafka, First Name Rudolf
* Last Name Köller - Kohn, First name Irma

From ''The Central Database of Shoah Victims' Names'' at yadvashem.org:
Source Namentliche Erfassung der oesterreichischen Holocaustopfer, Dokumentationsarchiv des oesterreichischen Widerstandes (Documentation Centre for Austrian Resistance), Wien
* Last Name KAFKA, First Name IRMA
* Date of Birth 08/04/1877 (Apr. 8, 1877)
* Details of transport Transport Au from PRAHA,PRAHA HLAVNI MESTO,BOHEMIA,CZECHOSLOVAKIA to THERESIENSTADT,GHETTO,CZECHOSLOVAKIA on 12/05/1942
* Type of material List of murdered Jews from Austria