so I'm not trying to bring my drama into your guy's life but I recently got back into contact with…

so I'm not trying to bring my drama into your guy's life but I recently got back into contact with my biological dad and he's married to this aweful women well I have not told her I don't like her and now she commented on facebook "how is my granddaughter?" I'm not sure I'm comfortable with her calling herself a grandma expecially when I don't like how she treats my dad. help