History must not, without proof, impute crimes so odious and so shameful to even the most depraved of men.
However that may be, Joan remained for six months the prisoner of John of Luxembourg, who, to make his possession of her secure, sent her, under good escort, successively to his two castles of Beaulieu and Beaurevoir, one in the Vermandois and the other in the Cambresis.

Twice, in July and in October, 1430, Joan attempted, unsuccessfully, to escape.

The second time she carried despair and hardihood so far as to throw herself down from the platform of her prison.

She was picked up cruelly bruised, but without any fracture or wound of importance.

Her fame, her youth, her virtue, her courage, made her, even in her prison and in the very family of her custodian, two warm and powerful friends.