Vinda Rosier was a French witch who lived during the early 20th century. She was a member of the famous pure-blood Rosier family and a loyal acolyte of Gellert Grindelwald. Vinda Rosier became a loyal follower and acolyte of Gellert Grindelwald at some point before 1927. She appeared to be Grindelwald's personal lieutenant. Several months following his escape from MACUSA custody, Grindelwald, accompanied by Vinda and his other acolytes, travelled to Paris to find and enlist Credence Barebone. As