DONNA J. ZART, (nee Williams), age 79.  Beloved wife of David M.; loving mother of Thomas Valentino (Beth), Theresa Bentlejewski (Ray-deceased), Ethel Ann Zak (deceased), Jerry Valentino Jr. (deceased), Maryann Matthews (Robert), and Ralph Valentino; cherished grandmother and great-grandmother of many; dear sister of Ralph Williams (deceased).  Private family services were held.  Interment Brooklyn Heights Cemetery.