Complex sentence: By one reckoning, the earliest recorded renga appeared in the late Heian period, and was in fact a waka composed by two poets, although Nijō Yoshimoto pointed to songs in the older Kojiki about the god Izanagi and the goddess Izanami as earlier examples.
Split into simpler sentences: By one reckoning, the earliest recorded renga appeared in the late Heian period, and was in fact a waka composed by two poets. However, Yoshitomo pointed to songs in the older Kojiki about the god Izanagi and the goddess Izanami as earlier examples.