Pietro de Roncionibus was a notary and citizen of Pisa who was active during the second half of the fifteenth century.
Pierus olim Antonii de Roncionibus civis pisanus publicus imperiali auctoritate notarius et iudex ordinarius
Acquisto Cappelli, entry dated 1479-02-16
Pia Casa di Misericordia, item dated 1500-01-24