Complex sentence: From 1867 to 1870, he was a pupil of Johannes Schilling then, after his father died and he lost his means of support, he went to work in Schilling's studio.
Split into simpler sentences: From 1867 to 1870, he was a pupil of Johannes Schilling. After his father died and he lost his means of support, he went to work in Schilling's studio.