The Peterborough mention

Evidence

A chronicle from another abbey repeats the story a few years later.

A · Authenticity

Authentic: twelfth-century monastic chronicle.

B · Content

Briefly states that the Jews of Norwich martyred a child before Easter.

C · Probative value

Proves the story had spread by about 1155. Not an independent testimony about the events: the chronicler was not in Norwich in 1144.

Location : Annal for the year 1137

Did Jews practise rites involving the murder of children?