Complex sentence: The Dukes of Anhalt-Cöthen-Pless inherited it in 1765 (being descended from the earlier dukes in the female line), the last of them died in 1847, and was succeeded by Hans Heinrich X, Count of Hochberg.
Split into simpler sentences: The Dukes of Anhalt-Cöthen-Pless inherited it in 1765. The last of them died in 1847, and was succeeded by Hans Heinrich X, Count of Hochberg.