sentences:  Unlike the Hindu caste systems prevalent in Khas and Madhesi societies, the existence and influence of Buddhist "ex-monks" from ancient times in the Kathmandu Valley added a "double-headed" element to the Newar caste system.While Rājopādhyāya Brahmins (or Déva-bhāju) occupied the highest social position in the Hindu side, the Vajracharya (or Guru/Gu-bhāju) formed the head among the Buddhists.For Hindu Newars, Brahmans had formal precedence with Kshatriyas, which included the royal family and the various groups now known as Srēṣṭha who ran the administration of the Malla courts.