Shiva Purana
ऋतुपर्णसुतस्त्वासीदनुपर्णो महाद्युतिः ॥ तस्य कल्माषपादो वै नाम्ना मित्रसहस्तथा ॥ १२ ॥
Ṛtuparṇa’s son was Anuparṇa. His son was Mitrasaha who was known as Kalmāṣapāda also.
english translation
RtuparNasutastvAsIdanuparNo mahAdyutiH ॥ tasya kalmASapAdo vai nAmnA mitrasahastathA ॥ 12 ॥
hk transliteration by Sanscript