Philip II, Margrave of Baden-Baden
Margrave Philip II of Baden( born 19 February 1559 in Baden- Baden – died 7 June 1588 in Baden- Baden) was from 1571 to 1588 Margrave of the Margraviate of Baden- Baden.
He was the son of the Protestant Margrave Philibert of Baden- Baden and the Catholic Mechthild of Bavaria.
Hesso, Margrave of Baden-Baden
Hesso, Margrave of Baden- Baden( 1268 – 13 February 1297) was a son of Rudolf I and his wife, Kunigunde of Eberstein.
After his father died in 1288, he ruled the Margraviate of Baden jointly with his brothers Rudolf II, Herman VII and Rudolf III.
Hesso married three times:
Herman VIII, Margrave of Baden-Baden
Herman VIII, Margrave of Baden- Baden( died 1338) was a titular Margrave of Baden- Baden.
He was the son on Margrave Hesso and his first wife Clara, a daughter of Count Walter III of Klingen.
Herman VIII died in 1338.
Ferdinand Maximilian, Hereditary Prince of Baden-Baden
Ferdinand Maximilian of Baden- Baden," Hereditary Prince of Baden- Baden"( 23 September 1625 – 4 November 1669) was the father of the famous general Louis William, Margrave of Baden- Baden.
Born in Baden- Baden, he was the oldest son of William, Margrave of Baden- Baden and Catharina Ursula of Hohenzollern – Hechingen.
Ferdinand Maximilian of Baden was destined to follow in his father's footsteps as Margrave of Baden- Baden, but he died before his father in a hunting accident.
Ferdinand Maximilian married in Paris in 1653 Princess Louise of Savoy( 1627 – 1689), aunt of Prince Eugene of Savoy.
The marriage was not successful.
Louise Christine of Savoy refused to leave the refined French court and follow her husband to Baden- Baden.
Ferdinand Maximilian then abducted his son from Paris and brought him to Baden- Baden.
As a consequence Louis William was not raised by his mother, but by his grandfather's second wife Maria Magdalena of Oettingen- Baldern.
Louis William, Margrave of Baden-Baden
Louis William, Margrave of Baden-Baden (8 April 1655 – 4 January 1707) was the ruling Margrave of Baden-Baden in Germany and chief commander of the Imperial army.
He was also known as "TürkenlouisTurkish Louis") for his many defeats of Turkish armies.
After his death in 1707, his wife, Sibylle of Saxe-Lauenburg, acted as regent of Baden-Baden during the minority of his eldest son, who succeeded him as Margrave of Baden-Baden.
Rudolf Hesso, Margrave of Baden-Baden
Rudolf Hesso of Baden-Baden (c. 1290 – 17 August 1335) was a son of Hesso, Margrave of Baden-Baden and his wife, Adelaide of Rieneck.
He succeeded his father as Margrave of Baden-Baden in 1297, and ruled jointly with his uncle, Rudolf III.
From 1332 to 1335, he ruled alone.
He married Joanna of Burgundy, Lady of Héricourt, a daughter of Reginald of Burgundy and widow of Count Ulrich II of Pfirt.
Rudolf Hesso and Joanna had two daughters:
Rudolph Hesso died in 1335.
As he had no male heirs, Baden-Baden was inherited after his death by his cousin, Rudolf IV, Margrave of Baden-Pforzheim.
Louis George, Margrave of Baden-Baden
Louis George, Margrave of Baden-Baden (7 June 1702 – 22 October 1761) was the Margrave of Baden-Baden from 1707 until his death in 1761.
From 1707 to 1727, his mother Sibylle of Saxe-Lauenburg was the regent of Baden-Baden.
He was succeeded by his younger brother, Augustus George.
Because of his passion for hunting, he was nicknamed "Jägerlouis" (the "hunter Louis").
Duchess Sibylle of Saxe-Lauenburg
Sibylle of Saxe-Lauenburg (Franziska Sibylle Auguste; 21 January 1675 – 10 July 1733) was Margravine of Baden-Baden.
Born a Duchess of Saxe-Lauenburg, she was the wife of Louis William, Margrave of Baden-Baden, a famous Imperial general who was known as the "Türkenlouis".
She acted as consort of the ruler of Baden-Baden (1690–1707) and then regent of Baden-Baden (1707–1727) for her son Louis George.
Augustus George, Margrave of Baden-Baden
Augustus George, Margrave of Baden- Baden( August Georg Simpert; 14 January 1706, Rastatt, Margraviate of Baden – 21 October 1771) was the ruling Margrave of Baden- Baden from 1761 till his death in 1771.
He succeeded his brother Louis George and was the brother of the Duchess of Orléans.
He was the son-in- law of Duke Léopold Philippe d' Arenberg.
Joanna of Burgundy
Joanna of Burgundy (died 1349) was a daughter of Reginald of Burgundy and his wife, Guillemette of Neufchâtel.
She married three times:
When her brother Othenin, Count of Montbéliard died childless in 1339, she and her second husband Rudolf Hesso inherited the Lordships of Belfort and Héricourt.
After the death of her third husband, she divided her possessions amongst her four daughters.
Margaret received Héricourt; Adelaide and Ursula shared Belfort.

Question: Who is Rudolf Hesso, Margrave Of Baden-Baden's mother-in-law?
Answer: Guillemette of Neufchâtel