Devadatta (Skt.; Tib. ལྷས་བྱིན་, Wyl.lhas byin) — Buddha's jealous scheming cousin. He was also the instigator of the first schism in the Buddhist monastic community by imposing more severe monastic rules on the community. Also Ananda's brother.
Philippe Cornu, Manuel de bouddhisme — Philosophie, pratique et histoire. Tome I, Bouddhisme ancien et Theravāda (Editions Rangdröl, 2019), pages 60-61.