Shiva Purana
संह्रादस्य तु दैतेया निवातकवचाः कुले ॥ उत्पन्ना मरुतस्तस्मिंस्तपसा भावितात्मनः ॥ ३८॥
In the family of Saṃhrāda the Daiteyas Nivātakavacas and Maruts were born and they were purified by penance.
english translation
saMhrAdasya tu daiteyA nivAtakavacAH kule ॥ utpannA marutastasmiMstapasA bhAvitAtmanaH ॥ 38॥
hk transliteration by Sanscript