Śrīmad-Bhāgavatam · Text 10.3.42
Who is speaking and story frame
तयोवान पुनरेवाहमदित्यामास कश्यपात् ।
उपेन्द्र इति विख्यातो वामनत्वाच्च वामन: ॥ ४२ ॥
tayor vāṁ punar evāham
adityām āsa kaśyapāt
upendra iti vikhyāto
vāmanatvāc ca vāmanaḥ
In the next millennium, I again appeared from the two of you, who appeared as My mother, Aditi, and My father, Kaśyapa. I was known as Upendra, and because of being a dwarf, I was also known as Vāmana.
Read this verse on Vedabase.ioThis verse has no purport; its meaning is explained by the verses around it.