ZUKROFF, SARA of Lynn, unexpectedly, September 7, 2012. Mother of Stacia Biel. Mother-in-law of Wyatt Biel. Grandmother of Noah J. and Soraya L. Biel. Also survived by ex-husband Carl Zukroff and two cousins in Europe. Memorial gathering Sunday, September 23, 11:00 a.m. at Lynch Park, 35 Ober Street, Beverly. Arrangements by Casper Funeral Services, 187 Dorchester Street, South Boston, MA 02127.