Matsya Purana 273.53

273.53

ikṣvākoḥ saṃsmṛtaṃ kṣatraṃ sumitrāntaṃ bhaviṣyati.
ailaṃ kṣatraṃsamākrāntaṃ somavaṃśavido viduḥ .. 273.52

The Aila and the Ikṣvâku dynasties have been described along with their branches The dynasty of the Ikṣvâkus (the Sûryvamsa) is remembered to have come to an end with Sumitra when Ikṣvaku Kṣatriyas will cease The Aila Kṣatriyas (Chandra vansa were contemporary with these (or the last of the Aila Kṣatriyas was Kṣemaka —Vâyu,) so the knowers of the Somavamśa understand it —53