A peace treaty had been signed in April 1629, three months before the surrender, and, under the terms of that treaty, Quebec and other prizes were taken by the Kirkes after the treaty was supposed to be returned.
En abril de 1629, tres meses antes da rendición, asinouse un tratado de paz (Tratado de Susa) e, nos termos dese tratado, Quebec e os premios doutra índole adquiridos polos Kirkes despois do tratado tiñan que ser devoltos.