Background
He succeeded his father, Mangku Negara VIII, as Prince of Mangkunegaran on 3 September 1987.
He succeeded his father, Mangku Negara VIII, as Prince of Mangkunegaran on 3 September 1987.
His full royal name is Kanjeng Gusti Pangeran Adipati Arya Mangku Negara. Prior to his accession he was named Gusti Pangeran Hadiningrat Sujiwakusuma. In the meantime Sujiwakusuma became viceroy in Mangkunegaran.
His accession was controversial because for the first time in Indonesian history, Mangkunegaran involved relatives outside the core to participate in the decision.
He was born in Surakarta the son of Mangkunegara VIII with brothers KPA. Prabu Kusumo, B.R.Aj. Retno Satuti. Rahadiyan Yamin, B.R.Aj.
Retno Rosati Hudiono Kadarisman, B.R.M. Susaktyo, B.R.M. Herwasto, B.R.M. Kumiyakto and B.R.Aj. Retno Astrini.
He was the fourth son of Mangkunegara VIII.
The King is no longer the head of government of his nominal territory.
The monarchy was originally supplanted when the area was colonized by the Netherlands.
Following the end of colonial rule, it retained its ceremonial role.