Oh I don't say there aren't other distinctions but for reasons of "this is who these characters told me they were," Harriet's mother-in-law is like, disgraced Count's-daughter level Vor and Danny's family doesn't even have the extra syllable, and it can't be irrelevant, especially not ~40 years ago. It's also going to be the part that's least intuitive to Matt, that he'll need the kick in the head about.