Thank you all for the helpful replies!
I just found something out today, while talking to the owner, Melissa....
I know her husband, her son, and her younger female GSD. We went to the same Schutzhund club! This made her feel much more comfortable, and it did for me, as well.
Black/Tan, neutered male
"American Pet Line"
Varick vom Haus Jeffery
Dark Sable, intact male
DDR/West German Show Line