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.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
तयोर्वां पुनरेवाहमदित्यामास कश्यपात् । उपेन्द्र इति विख्यातो वामनत्वाच्च वामनः
tayorvāṃ punarevāhamadityāmāsa kaśyapāt | upendra iti vikhyāto vāmanatvācca vāmanaḥ
SB 10.3.42