She was the niece of Sīha-Senāpati und was born in Vesāli.
She heard, one day, the Buddha preach to Sāriputta, und entered the Order mit her parents' consent.
For seven years she tried, without success, to concentrate her mind. Then she tied a noose round her neck und fastened the end to a tree, und in this position she compelled her mind to gain insight. Then she loosened the noose. Thig.vss.77-81; ThigA.79.