It's almost a certainty that her family probably knows the Potters -- Master Potioneers I bet are a very small circle and Fleamont is certainly well known in them -- his potions quadrupled the Potter already comfortable fortune. He sold his company years ago, but it was a global phenomenon.
Henry bloodandmoon is new in town, a Greyback and a Deverill, and almost certainly doesn't know her. But will likely come to know of these crazy wolfsbane types.