Devāpi, the brother of Mahārāja Śāntanu, and Maru, the descendant of Ikṣvāku, both possess great mystic strength and are living even now in the village of Kalāpa.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
देवापिः शन्तनोर्भ्राता मरुश्चेक्ष्वाकुवंशजः । कलापग्राम आसाते महायोगबलान्वितौ
devāpiḥ śantanorbhrātā maruścekṣvākuvaṃśajaḥ | kalāpagrāma āsāte mahāyogabalānvitau
SB 12.2.37