Later, Malay, Mon, and Khmer civilizations flourished in the region prior to the domination of the Thais, most notably the kingdom of Srivijaya in the south, the Dvaravati kingdom in central Thailand and the Khmer Empire based at Angkor.
Boechari tried to reconstruct the early stage of Sailendra based on Sojomerto inscription, while other historians such as Slamet Muljana and Poerbatjaraka tried to reconstruct the list of Sailendran king in middle and later period with their connections to Sanjaya and Srivijaya, based on inscriptions and Carita Parahyangan manuscript.
In 1045 Airlangga, who ruled Srivijaya, divided the Kahuripan kingdom into two, Janggala (Malang) and Kediri and abdicated in favour of his two sons to live the life of an ascetic.