Complex sentence: Joachim Marquardt (April 19,1812-November 30,1882), German historian and writer on Roman antiquities, was born at Danzig (Gdańsk).
Split into simpler sentences: Joachim Marquardt (April 19,1812-November 30,1882) was a German historian and writer on Roman antiquities. Marquardt was born at Danzig (Gdańsk).