Majjhima Nikaya 3:2
SUJATOekaṁ samayaṁ bhagavā sāvatthiyaṁ viharati pubbārāme migāramātupāsāde sambahulehi abhiññātehi abhiññātehi therehi sāvakehi saddhiṁ—
At one time the Buddha was staying near Sāvatthī in the stilt longhouse of Migāra’s mother in the Eastern Monastery, together with several well-known senior disciples, such as