She was the sister of Louis XIII and daughter of Henri IV and Marie de Medici. She became Duchess of Savoy on her thirteenth birthday. According to her Wikipedia article, one of her descendants is actress Brooke Shields.

1612 Princesse Christine de France, duchesse de Savoie by Frans Pourbus the Younger (location unknown to gogm)

ca. 1637 (estimate based on date of husband's demise) Christine of France as Dowager Duchess of Savoy by ? (location unknown to gogm)

Presumed to be Anne d'Autriche, also called Christine de France, duchesse de Savoie, en habit de veuve attributed to Justus van (Verus ab) Egmont (auctioned by Tajan)
