Peter is the servant who leaves Paris with the La Mottes. Peter learns of the plans that La Motte and the Marquis have for Adeline. He helps Adeline devise an escape plan that is discovered by the Marquis. Later, it is Peter who La Motte employs to take Adeline away from the abbey when the Marquis suggests that La Motte kill the girl. Peter takes Adeline to his hometown of Savoy.