It was only after he received news of Duchesne's death that he returned to marry his daughter. After the death of his "protector" Duchesne, Champaigne worked for the Queen Mother, Marie de Medicis, for whom he participated in the decoration of the Luxembourg Palace. He made several paintings for the Notre Dame Cathedral in Paris, dating from 1638. He also drew several cartoons for tapestries. He was made first painter of the Queen with a pension of 1200 pounds. He also decorated the Carmelite Church of Faubourg Saint-Jacques, one of the favorite churches of the Queen Mother.