All corrections
Wikipedia July 20, 2026 at 07:54 PM

en.wikipedia.org/wiki/Treaty_of_Lambeth

1 correction found

1
Claim
There is no known surviving copy of the treaties.
Correction

At least one surviving manuscript copy is catalogued by the National Library of Wales, so saying no copy is known is incorrect.

Full reasoning

This sentence is contradicted by published manuscript-catalog evidence.

The National Library of Wales catalog entry for Peniarth MS 381 states: "On the last page is a copy of the Treaty of Lambeth, 1217, between Henry III and the Dauphin." That is a surviving copy of the treaty text.

A modern scholarly article by Nicholas Vincent likewise says the so-called Treaty of Lambeth is "known only from unofficial (and in some senses contradictory) sources surviving in Rouen and Aberystwyth." In other words, surviving manuscript witnesses do exist, even if no sealed original survives.

So the accurate distinction is: no original may survive, but it is wrong to say that no surviving copy is known at all.

2 sources
Model: OPENAI_GPT_5 Prompt: v1.16.0