Shiva Purana

siva.sh/siva-purana/uma-samhita/37/5

इक्ष्वाकौ संस्थिते राजा वसिष्ठवचनादभूत्।। शकुनिप्रमुखास्तस्य पुत्राः पञ्चदश स्मृताः।। ५।।

sanskrit

When Ikṣvāku passed away he was installed a king at the instance of Vasiṣṭha. He had fifteen sons of whom the chief was Śakuni.

english translation

ikSvAkau saMsthite rAjA vasiSThavacanAdabhUt|| zakunipramukhAstasya putrAH paJcadaza smRtAH|| 5||

hk transliteration by Sanscript