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From Rodovid EN

Lineage	Hamengku Buwono VI
Sex	Male
Full name (at birth)	Evan Lewi Putra Bangun [Hb.6.18.4.3.2.3.1]
Parents ♀ Marlina Panggabean [Hb.6.18.4.3.2.3] [Hamengku Buwono VI]

From grandparents to grandchildren