his own father
1 quoted line · depth 2
2) Is the Cumaean the heavenly same being that Sev sleeps with in the> fifth volume, while on Yesod? (By the way, has it come up in the> discussions that Yesod means "foundation" in Hebrew?) I seem to> remember from my last reading of Urth of the NS that Severian implies> that he fathers himself in that encounter.
During that encounter, Severian gave birth to the New Sun, which was himself. Hopefully that clears it up. =)