These small political units were ruled by datus, rajahs or sultans. Patronage in various forms were provided by local aristocrats, rajahs and zamindars. It belongs to the Charaxinae (rajahs and nawabs) in the brush-footed butterfly family (Nymphalidae). During the rule of the Coorg Rajahs, rice was the most important crop cultivated. In the mid-16th century, the areas of present-day Manila were governed by native rajahs. The Principality was instituted and governed using the system of rajahs. The headquarters of the historic Chempakasseri Ambalapuzha rajahs were near the temple. The Brookes ruled Sarawak for a hundred years as "White Rajahs". Historically, Sarawak's economy was stagnant during the rule of previous three white Rajahs. The Nileshwar Rajahs and the Bednore Nayaks battled in this area. Ranee Sylvia Brooke also used this sobriquet, in her 1939 book "The Three White Rajahs". The term khanzada originally applied to the Bachgoti Rajput family of the Rajahs of Hasanpur. Brooke is buried in St Leonard's parish churchyard, Sheepstor, Devon, along with the White Rajahs. The first legislative assembly in Sarawak was formed during the rule of the White Rajahs. The Rajahs also encouraged the establishment of schools, healthcare services and transport.