Sundari Nanda.

About Sundari Nanda

Princess Sundarī Nandā of Shakya, also known simply as Sundarī, was the daughter of King Suddhodana and Queen Mahapajapati Gotami. She was the half-sister of Siddhartha Gautama, who later became a Buddha. She became a nun after the enlightenment of her half-brother and became an arhat. She was the foremost among bhikkhunis in the practice of jhana. She lived during the 6th century BCE in what is now Bihar and Uttar Pradesh in India.