Katzenellenbogen
Katzenellenbogen is a Jewish Ashkenazi surname derived from the name of the former County of Katzenelnbogen, a small medieval state of the German Empire (see also Katzenelnbogen Castle and town). Protection money paid by Jews was the main source of income for the small principality. Different spellings of the toponym and surname include Katzenelenbogen and Katznelbogen, with further derivative forms and spellings of the surname like Katsenelenbogen, Catzenellenbogen, Katzin, Katz, Elbogen/Ellenbogen and Bogen. Provided by Wikipedia-
1