Purna Thera Puṇṇa Mantānīputta was born in Donavatthu, near Kapilavatthu, in a family of brahmins. His mother was Mantānī (or Maitrāyanī), sister of Ven. Añña Koṇḍañña, who became Ven. Puṇṇa’s teacher. Ven. Ānanda, after his first rain retreat, mentions him as a great influence in the Ānandasuttaṃ. He says that thanks to him he was able to become a sotāpanna.