Complex sentence: Eugen Napoleon Neureuther (1806-82) was a German painter, etcher, and illustrator, son and pupil of the painter Ludwig Neureuther (1775-1830).
Split into simpler sentences: Eugen Napoleon Neureuther (1806--1882) was a German painter, etcher, and illustrator. He was the son and pupil of the painter Ludwig Neureuther (1775-1830).