法苑珠林 58.23

58.23

又涅槃經云。佛在世時。瞻波城中有大長者。無有繼嗣。共事六師請求子息。於後不久其婦懷妊。長者知已往六師所問言。為男為女。六師答言。生必是女。長者愁惱。復有知識。語長者言。先不聞優樓迦葉兄弟為誰弟子。六師若是一切智者。迦葉何故捨之從佛。

Also, the *Nirvāṇa-sūtra* says: When the Buddha was in the world, there was a great elder in the city of Campā who had no heir. Together [with his wife] he served the six teachers to pray for a child. Soon after, his wife became pregnant. When the elder learned of this, he went to the six teachers and asked: "Is it a boy or a girl?" The six teachers replied: "It will definitely be a girl." The elder was distressed. Then an acquaintance said to the elder: "Have you not heard whose disciples the brothers Uruvilvā-Kāśyapa were? If the six teachers were omniscient, why would Kāśyapa abandon them to follow the Buddha?"