रुचि
Ruchi is an ancient progenitor-sage of the creation tradition, husband of Akuti; from him the Yajna avatara was born (SB 1.3.12: 'rucer yajno 'bhyajayata').
Śrīmad Bhāgavata Mahāpurāṇa 1.3.12 — Sanskrit Wikisource (pinned oldid=369178)
Ruchi is the father of Yajna. Source evidence (SB 1.3.12): Yajna was born of Ruchi: 'rucer yajno 'bhyajayata' (SB 1.3.12) — genitive father. Evidence: EXPLICIT.