“France Holder” would be “Frankreich Halter” in German, not Franz Halder, a name which also isn’t pronounced like “France Holder” at all. Joke doesn’t work no matter what and also, I’m German so I wouldn’t have found it funny anyway because I have no sense of humour and yes, I’m fun at parties.
Du warst augenscheinlich noch nie bei Schneider’s am Kotti.