p.1154, “AD 1129”, in Anglo-Saxon Chronicle (MS. Laud Misc. 636, continuation), Peterborough, folio 87, verso; republished at Oxford: Digital Bodleian, 8 February 2018:
ſe an ƿæſ ᵹehaten petruſ · he ƿæſ munec of clunni ·⁊ ƿeaſ boren of þa ricceſte men of rome · mid him helden ða of rome ·⁊ ſe duc of ſicilie ·
One was called Peter; he was a monk from Cluny who was descended from Rome's most powerful men. The people of Rome and the duke of Sicily sided with him.