Skandapurana 5.213.23

5.213.23

.. mārkaṇḍeya uvāca .. ..
kṣatriyaśca sthitaḥ pūrvaṃ viśvāmitro mahīpatiḥ ..
mṛgayāsu paribhrāṃto vasiṣṭhasya tadā''śramam..
praviṣṭaḥ kṣutpipāsārttaḥ sa tenātha prapūjitaḥ .. 23 ..

Mārkaṇḍeya said: / Formerly, King Viśvāmitra was a kṣatriya. / Roaming about on hunting expeditions, he then entered the hermitage of Vasiṣṭha, / afflicted with hunger and thirst, and was hospitably honored by him. 23