(1) In the New Book of Tang, it was described that “On the summer-solstice a gnomon of 8 feet cast a shadow of 2.4 feet on the south side” but geometrical examination has confirmed the direction of the shadow must be “north” wherever on the earth. The present author has considered the reason was because the Chinese at that time still believed the earth was a flat body (the flat-earth concept).
(2) From the value of latitude calculated, 6°55' 59"S, the observation point has been determined to have been around the present-day Semarang on the north coast of Central Java.
(3) With reference to Wangsakerta Manuscripts, Pustaka Carita Parahiyang- an and some inscriptions, “訶陵國”, generally Romanised as Ho-Ling Country has been concluded to have been Keling Country which was founded by Prabhu Wasumurti and his followers who came from Kalinga, India and the capital was in Kepung Kediri, East Java
(4) Ratu Sima (悉莫), the wife of Prabhu Kartikeyasingha, was made the queen after her husband died. She moved the capital to Jepara in Central Java.
(5) The lineage of Queen Sima extended to the Sanjaya and Sailendra families.
(6) The Chart of Royal Genealogy in Ancient Java has been revised.