Shiva Purana
ध्रुवश्च ऋषभश्चैव भरतो नव योगिनः ॥ तद्भ्रातरः परे चापि शिवपूजनकारकाः॥ २४॥
Dhruva, Ṛṣabha, Bharata, his brothers the nine Yogins and others too were worshippers of Śiva.
english translation
dhruvazca RSabhazcaiva bharato nava yoginaH ॥ tadbhrAtaraH pare cApi zivapUjanakArakAH॥ 24॥
hk transliteration by Sanscript