As of 18 August 2010, you must register to edit pages on Rodovid (except Rodovid Engine).

From Rodovid EN

Lineage	Hamengku Buwono VII
Sex	Male
Full name (at birth)	Raden Erwin Mardyanto [Hb.7.31.4.1.1.2]
Parents ♀ Raden Ajeng Esti Widyanti [Hb.7.31.4.1.1] [Hamengku Buwono VII]

From grandparents to grandchildren