Champaigne (de), Philippe – Jacqueline-Marie-Angelique Arnauld (1591-1661), abbesse de Port-Royal Château de Versailles

The picture has something of this: cross, woman, nun, portrait, spirituality, people, wear, church, god, sacred, prayer, Easter, veil, indoors.
Perhaps it’s a painting of a nun in a white robe with a red cross on it’s chest and.