Priyavrata-vaṃśa and Saptadvīpa Vibhāga (प्रियव्रतवंशः सप्तद्वीपविभागश्च)
तस्य पुत्रा बभूवुर्हि प्रजापतिसमा नव / ज्येष्ठो नाभिरिति ख्यातस्तस्य किंपुरुषो ऽनुजः
tasya putrā babhūvurhi prajāpatisamā nava / jyeṣṭho nābhiriti khyātastasya kiṃpuruṣo 'nujaḥ
He had nine sons, equal to the Prajāpatis. The eldest was famed as Nābhi, and his younger brother was Kiṃpuruṣa.