Susima

Susima Maurya (also Sushima or Sushim) was a prince of the Maurya Empire and the eldest son and heir-apparent of the second Mauryan emperor Bindusara. He was next in line for his father's throne, but was assassinated by his younger half-brother, Ashoka, who eventually succeeded Bindusara as the third Mauryan emperor.
Birth and family.
Susima was the eldest son of the second Mauryan emperor Bindusara. Not only was Susima the crown prince, but also his mother was a princess as opposed to Ashoka's mother, Subhadrangi, who was a Brahmin’s daughter.