In 1943 at school Yona declared that, because of the anti-Jews laws of the Hungarian government, he refused to be Hungarian. As a result, he was expelled from all the schools in the area. Yona moved to Budapest. After the Arrow Cross Party rose to power in mid-October 1944, he arrived at a house on 90, Dob Street where a children’s house was set up for Jewish children collected around the city. About one thousand children and adults found refuge in this house. Yona’s job was being a guard at the gate. He served as a liaison between the dwellers of the house and the management. After the liberation in 1945 he was active in his movement. Yona made aliya in April 1948 and stayed in various kibbutzim. He resides in Beer-Sheva. He was the manager of a development company and a teacher at the Administration College in Beer-Sheva.