Complex sentence: Because of an illness, Zweig stayed in Europe till 1949, living in Poland, Switzerland and France before moving to Israel with his father, where his father found work as a clerk in the Finance Ministry.
Split into simpler sentences: Because of an illness, Zweig stayed in Europe till 1949, living in Poland, Switzerland and France before moving to Israel with his father. In Israel, his father found work as a clerk in the Finance Ministry.