Complex sentence: Mnichovo Hradiště Castle was acquired by Wallenstein in 1623, he was buried there and it remained in his family until expropriation in 1945; so did Wallenstein's Prague city palace, Wallenstein Palace.
Split into simpler sentences: Mnichovo Hradiště Castle was acquired by Wallenstein in 1623. He was buried there and it remained in his family until expropriation in 1945; so did Wallenstein's Prague city palace, Wallenstein Palace.