No trace was ever found of the person who wrote or conveyed the letter.

It having come to his knowledge that a plot was preparing for another massacre in the prisons on pretence of conspiracy among the prisoners, whose names and lives were at the mercy of the spies within and the police and gaolers without, he contrived by paying a hundred louis to get his own and Mme. de Coignys liberation, and after the Terror was over they married and went to England for their honeymoon. At the end of two months they were tired of each other, came back to Paris and were divorced, and the Baronne de Montrond again resumed the name of Coigny.