Nun to celebrate 50thSister Mary Nerl TlberlA special jubilee mass of thanksgiving will be held at 3 p m Sunday at the Queen of Martyrs church. 103rd and Central Park avenue Evergreen Park, to honor S'ster Mary Nerl Tiherl Sister Neri is celebrating her 50th anniversary as a religious sister of mercy. She has taught in numerous parish schools throughout th** city of Chicago. Rockford and Desplaines during her teaching career She is curently teachingin the learning center of Queen of Mar tyrs parish A native of Chicago Heights. Sister Neri has three brothers and two sisters They are Joseph Tibcri. the late Louis Tiberi and Rosemary Williams, all of Blue Island. Dr. Silvio J Tiberi of Chicago Heights, and Victoria Corriero of Dolton She is also a cousin of the Charles and Frank Panic! families of Chicago Heights