William “Bill” Mandelbaum, 77, of Bloomfield, died April 10. He was the husband of Ruthann (Friedman) Mandelbaum. Born in Brooklyn, N.Y., he was the son of the late Herbert and Mary (Levine) Mandelbaum. In addition to his wife, he is survived by his children, Evan Mandelbaum and Jennifer Rock; his sister Isabell Mandelbaum; and his grandchildren, Hunter and Marnie Rock, and Sara and Max Mandelbaum.