Hamengkubuwono II, born Raden Mas Sundoro, was the second sultan of Yogyakarta 1792–1810, 1811–12 and finally 1826–28 during the Java War.

Hamengkubuwono IV, also spelled Hamengkubuwana IV was the fourth sultan of Yogyakarta, Indonesia, reigning from 1814 to 1823.