I thought the name TRUMP was an easier version of DRUMPF (or something like that) ... making this story as bogus as hell.
It’s not bogus.
Here is an earlier article
https://www.theguardian.com/us-news/2016/jan/29/kallstadt-germany-on-the-trail-of-the-donald-in-the-trump-ancestral-home
Interestingly the Heinz family came from the same village.