Complex sentence: Joachim Christian Timm, the son of tobacconist Matthias Ernst Timm (1704--1779), was born in Wangerin in Farther Pomerania, Prussia (now in Poland) and attended school there.
Split into simpler sentences: Joachim Christian Timm was the son of a tobacconist, Matthias Ernst Timm (1704--1779). He was born in Wangerin in Eastern Pomerania (at that time part of Prussia, now in Poland) and attended school there.