This just clarified so many things for me, thank you. Had a “Dutch Sport Horse” come in for marketing and was all, “Where’d THAT come from?!”, thinking it was a KWPN offshoot? After getting client to snap a pic of the papers discovered it was a Deutsches (German) Sportpferd. Did research on it and still couldn’t figure out where it came from and how I had never come across it in 12 years of marketing horses. Didn’t know that Zweibrücker = RPSI either.
One can see how the Americans might just think it easier to ignore the breeding