Pope Alexander IV (r. 1254–61) created two cardinals in two consistories during his pontificate.
August 1255 There are sources that pinpoint this allocation as having taken place over the course of some months but there is no definitive date for it. Riccardo di Montecassino O.S.B.
December 1255 Tesauro dei Beccheria O.S.B. Vall.
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