Claude of France (1547–1575)
Claude of France (12 November 1547, Fontainebleau – 21 February 1575, Nancy) was a French princess as the second daughter of King Henry II of France and Catherine de' Medici, and Duchess of Lorraine by marriage to Charles III, Duke of Lorraine.
Christina of Salm
Countess Christina of Salm( 1575 – 1627), was a duchess consort of Lorraine; married in 1597 to Francis II, Duke of Lorraine.
Nicolas, Duke of Mercœur
Nicolas of Lorraine, Duke of Mercœur (16 October 1524 – 23 January 1577) was the second son of Antoine, Duke of Lorraine and Renée de Bourbon.
Claude Françoise de Lorraine
Claude of Lorraine (6 October 1612 – 2 August 1648) was a daughter of Henry II, Duke of Lorraine, and Margerita Gonzaga, her sister was Nicole, Duchess of Lorraine.
She married her first cousin and was the Duchess of Lorraine by marriage.
Francis II, Duke of Lorraine
Francis II (François de Lorraine; 27 February 1572 – 14 October 1632) was the son of Charles III, Duke of Lorraine and Claude of Valois.
He was Duke of Lorraine briefly in 1625, quickly abdicating in favour of his son.
Dorothea of Lorraine
Dorothea of Lorraine( 24 May 1545 – 2 June 1621), was by birth a member of the House of Lorraine and by marriage to Eric II, Duke of Brunswick- Lüneburg, Duchess of Brunswick- Lüneburg- Calenburg.
Born at the Château de Deneuvre, she was the third child and second daughter of Francis I, Duke of Lorraine and Christina of Denmark.
Her paternal grandparents were Antoine, Duke of Lorraine and Renée of Bourbon- Montpensier and her maternal grandparents were Christian II of Denmark and Isabella of Austria.
Elisabeth Therese of Lorraine
Elisabeth Therese of Lorraine( 15 October 1711 – 3 July 1741) was born a Princess of Lorraine and was the last queen consort of Charles Emmanuel III of Sardinia.
The sister of Francis Stephan, Duke of Lorraine, she died as a result of giving birth to Benedetto of Savoy.
Bertha, Duchess of Lorraine
Bertha of Lorraine( or Bertha of Swabia)( b.c. 1123/30 – d. 1194/ 5) was a member of the Hohenstaufen dynasty.
She was the daughter of Frederick II, Duke of Swabia and, through marriage to Matthias I duke of Lorraine, she was duchess of Lorraine( c.1138-1176).
Renata of Lorraine
Renata of Lorraine( 20 April 1544 – 22 May 1602) was by birth a member of the House of Lorraine and by marriage Duchess of Bavaria.
Born in Nancy, France, she was the second child and eldest daughter of Francis I, Duke of Lorraine and Christina of Denmark.
Her paternal grandparents were Antoine, Duke of Lorraine and Renée of Bourbon- Montpensier and her maternal grandparents were Christian II of Denmark and Isabella of Austria.
Charles Henri, Prince of Commercy
Charles Henri of Lorraine( 17 April 1649 – 14 January 1723) was the legitimated son of Charles IV, Duke of Lorraine, and Béatrix de Cusance.
He was given the Principality of Commercy in 1708 by his cousin Leopold, Duke of Lorraine.
He was also the Count of Falkenstein.

Question: Who is Francis Ii, Duke Of Lorraine's maternal grandfather?