Ezra 2:50 Midrash

בְּנֵי־אַסְנָ֥ה בְנֵי־מעינים [מְעוּנִ֖ים] בְּנֵ֥י נפיסים [נְפוּסִֽים׃]

the children of Asnah, the children of Meunim, the children of Nephusim;

Read midrashic interpretation of Ezra 2:50: and classical rabbinic exegesis.