Marie Blake

Edith Marie Blossom MacDonald (August 21, 1895 – January 14, 1978), also known as Blossom Rock, was an American actress of vaudeville, stage, film and television. During her career she was also billed as Marie Blake or Blossom MacDonald. Her younger sister was screen actress and singer Jeanette MacDonald. Rock is best known for her role as "Grandmama" on the 1960s macabre/black comedy sitcom The Addams Family.