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From Rodovid EN

Lineage	Hamengku Buwono VI
Sex	Male
Full name (at birth)	Raden Paribangun Wibisono [Hb.6.18.1.4.3.1]
Parents ♀ Raden Ajeng Neny [Hb.6.18.1.4.3] [Hamengku Buwono VI]

From grandparents to grandchildren