Yitzhak, son of Reuven and Mazal Tzaddik, was born in Persia in 1949. He immigrated to Israel at the end of 1963. In November 1967 he was drafted into the IDF and assigned to the Armored Corps. He was killed in the line of duty on October 26, 1968 and was brought to rest in the military cemetery on Har Herzl in Jerusalem.