Loving mother of Christie Benoit (Cory). Dearest grandmother of Dominic, Jean-Luc and Leo. Dear sister of Gerri Smith, Cindy Bak (Michael) Susie McLamb (Bob) and the late Bobby Grodzicki and Kathy Genord.  Visitation Saturday 11:30 a.m. at St. Cunegunda Catholic Church 5900 St. Lawrence Street. Detroit, MI 48210. Funeral Liturgy 12:00 p.m.  Visitation Friday 2-8 p.m. at the Dearborn Chapel of the Howe-Peterson Funeral Home. Rosary Friday 7:00 p.m.  Interment St. Hedwig Cemetery. Barbara retired from General Motors with over 40 years of dedicated service.  "In lieu of flowers, please make donations to the Friends of Animals of Metro Detroit. Visit https://www.metrodetroitanimals.org/get-involved/donate/make-a-donation/ and donate in memory of Barbara Mastaw. May her love and devotion for animals continue through your donation."