Mantyasih inscription

The Mantyasih inscription (also known as Balitung charter and Kedu inscription) is an important inscription found and kept by Li Djok Ban in Ngadireja Parakan Temanggung, then the inscription was brought by one of the princes of Surakarta to be brought to Surakarta and is now stored in the Radyapustaka Museum, Central Java, Indonesia. It is dated to 907 and was created by King Balitung from the Sanjaya dynasty, of the Ancient Medang Kingdom. This inscription contains a genealogy of the kings of Medang before King Balitung.
The inscription mentions that Mantyasih village was awarded by King Balitung as "sima" (tax free) land. In Mateseh village today a stone mortar believed to be used during "sima" ceremony can still be found. Two mountains are also mentioned: Mount Susundara and Wukir Sumbing (today Mount Sundoro and Sumbing).
Contents.
The inscription was dated 828 Saka (907 CE). This is the part that contains the genealogy list of Medang ruling kings, part B lines 7-9:
Interpretations.
Bosch, in his book "Sriwijaya, de Sailendrawamsa en de Sanjayawamsa" (1952), suggests that in the Medang Kingdom there were two dynasties, the Sanjaya dynasty and the Sailendra dynasty that equally ruled the kingdom. The Sanjaya lineage was established by Sri Sanjaya, the founder of the Medang Kingdom, who adhered to Shivaist Hinduism. The next Maharaja was Panangkaran, who, according to Bosch, was defeated by the Sailendras. Thus in Medang there were two dynasties: the Sanjayas ruled the northern parts of Java, while the Sailendras ruled in southern Java. The daughter of Sailendra Maharaja Samaratungga, named Pramodhawardhani, married Rakai Pikatan of Sanjaya, who succeeded his father-in-law's throne. As the result, the Sanjaya returned to power in Medang. Bosch assumed that the title "rakai" was a dynastic title. The list of Sanjaya kings recorded in the Mantyasih inscription according Bosch: 