Tag in Historicity section Sorry if I m being a pain However if you know that mention does not occur in the Jewish liturgy then it s a knowable quantity and reliable sources can say so Now I know that sources are not often going to address a silence although the wranglings that some do over this issue might spark responses So I would suggest that we wait a long time for a source to be found before removing the paragraph The search could be prolonged On the other hand just how long is the liturgy you re talking about The Seder meal only If so that s not so long that it can t be reviewed in toto and the liturgy itself becomes the source What could be more reliable than that