Complex sentence: In 1888 Wichert moved to Berlin, where he became Kammergerichtsrat at the Berlin Kammergericht, retired in 1896 and died in 1902.
Split into simpler sentences: In 1888 Wichert moved to Berlin, where he became "Kammergerichtsrat" at the Berlin "Kammergericht". He retired in 1896 and died in 1902.