Complex sentence: The Baroque palace with an extensive garden was finished in 1707 was acquired by the noble House of Lobkowicz in 1753, who in 1927 sold it to the Czechoslovak state.
Split into simpler sentences: The Baroque palace with an extensive garden was finished in 1707. It was acquired by the noble House of Lobkowicz in 1753, who in 1927 sold it to the Czechoslovak state.