Complex sentence: At age 14, Hawelka's family settled in Vienna, and he began to work in the Deierl restaurant, where he met Josefine Danzberger, who also worked in the restaurant business.
Split into simpler sentences: At age 14, Hawelka's family settled in Vienna, and Hawelka began to work in the Deierl restaurant. There, he met Josefine Danzberger, who also worked in the restaurant business.