Shiva Purana
तस्मात्पुष्टिश्च धान्यश्च ध्रुवात्पुत्रौ व्यजायताम् ॥ पुष्टिरेवं समुत्थायाः पञ्चपुत्रानकल्मषान् ॥ ११॥
Therefore may Pushti and Dhanya beget two sons from Dhruva Thus Pushti got up and gave birth to five immaculate sons.
english translation
tasmAtpuSTizca dhAnyazca dhruvAtputrau vyajAyatAm ॥ puSTirevaM samutthAyAH paJcaputrAnakalmaSAn ॥ 11॥
hk transliteration by Sanscript