Duchy of Pomerania ended in 1637.
Duchy of Pomerania was created in 1121.
Swedish Pomerania ended in 1814.
Duchy of Württemberg ended in 1806.
Duchy of Neopatria ended in 1390.
Duchy of Zator ended in 1919.
Duchy of Silesia ended in 1918.
Duchy of Limburg ended in 1794.
Duchy of Salzburg ended in 1918.
Duchy of Ferrara ended in 1597.
Duchy of Holstein ended in 1866.
Duchy of Jülich ended in 1815.
Duchy of Bar ended in 1766.