Son of Dalia and Avraham Shomroni. Born Kibbutz Barkai. Yonatan was an outstanding student who liked to study in order to acquire knowledge in various fields. In the sixth grade he joined the Hashomer Hatzair youth movement and was active in the movement, and from an early age, Yonatan participated in Gadna air courses and finished the course as an outstanding trainee. He was an excellent athlete. He excelled in the volleyball game and was a member of the Hapoel team of the kibbutz. Yonatan also specialized in table tennis and was invited to the young team?s training in this game. Jonathan loved music and studied guitar and cello, which was his main instrument that accompanied him for many years. He performed in concerts at the kibbutz and was highly regarded. Yonathan was a friendly boy and had leadership skills. Yonatan was drafted into the IDF in November 1973 and volunteered for the Israel Air Force. After completing basic training, Yonatan was trained as a pilot at the Israel Air Force's pilot school. He left behind by parents and brother, and his parents commemorated him in a booklet published by Yonatan?s friends, teachers and commanders about his character, talents and activities from childhood to his last day.