When Marie Antoinette 's foster-brother , Joseph Weber , attempted to console her with the fact that given Sophie 's tender age Marie Antoinette must not have grown overly attached to her , the bereaved mother said only , `` Do n't forget that she would have been my friend . ''
When Marie Antoinette 's foster-brother , Joseph Weber , attempted to comfort her with the fact that Sophie was very young and could not have formed a strong attachment for the mother .