Complex sentence: After 1861, when Frederick William's father acceded to the throne and he became Crown Prince, the building was once again known as the Kronprinzenpalais; he resided there with his wife Princess Victoria, daughter of England's Queen Victoria.
Split into simpler sentences: After 1861, when Frederick William's father acceded to the throne and he became Crown Prince, the building was once again known as the Kronprinzenpalais. It would be the Berlin residence of Crown Prince Frederick and his wife, Princess Victoria, daughter of England's Queen Victoria.