Osbert de Bayeux
... that the medieval English archdeacon Osbert de Bayeux was accused of murdering an Archbishop of York by poisoning the communion chalice?
... that the medieval English <a href="./Archdeacon" id="mwBLU" rel="mw:WikiLink" title="Archdeacon">archdeacon</a> <b id="mwBLY"><a href="./Osbert_de_Bayeux" id="mwBLc" rel="mw:WikiLink" title="Osbert de Bayeux">Osbert de Bayeux</a></b> was accused of murdering an <a href="./Archbishop_of_York" id="mwBLg" rel="mw:WikiLink" title="Archbishop of York">Archbishop of York</a> by poisoning the communion <a href="./Chalice" id="mwBLk" rel="mw:WikiLink" title="Chalice">chalice</a>?