Ṛkṣā (Riksha) is one of the wives of King Ajamīḍha (Ajamidha), belonging to Kuruvaṁśa (Kuruvamsa).

Mahābhārata (Kinjawadekar)(1.95.37)
Mahābhārata Vols. 1-43 (Siddhāntabāgīśa)(1.90.47)