Title: Princess Louise of Savoy
Content:  Soissons, to smuggle his three-month-old son out of Paris and take him to be raised in 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. When it was clear that Louise Christine would not leave Paris, some said due to the influence of her mother, Louise Christine and her husband decided to separate and let her son be raised in Baden-Baden. She died in Paris aged 61. Her descendants included the present Henri d'Orléans, French pretender; the Prince Napoléon; Duarte Pio, Duke of Braganza and his distant cousin Prince Luiz of Orléans-Braganza. She is also an ancestor of the ruling Felipe VI of Spain, Henri, Grand Duke of Luxembourg and Albert II of Belgium.
Title: Louis of France (1264–1276)
Content:  Louis had three younger brothers: Philip IV the Fair, Robert and Charles. His mother died in Calabria following a riding accident during her pregnancy with her fifth child, in 1270. At his death at the age of 12, his younger brother Philip, succeeded him as heir apparent.
Title: Louis I of Etruria
Content:  Louis was the second of the nine children born to Ferdinand, Duke of Parma by his wife Archduchess Maria Amalia of Austria. Louis and his older sister Carolina were the favorites of their parents. They were personally instructed in religion by their father, despite the fact that their younger children was actually more interested in the subject than they were. In 1778, he hit his head on a marble table while playing with Carolina, and afterward suffered from epilepsy.
Title: Louis, Grand Dauphin
Content:  Louis's paternal grandparents were Louis XIII of France and Anne of Austria; he was descended, on his mother's side, from Philip IV of Spain and Élisabeth of France. Louis XIII and Élisabeth de Bourbon were siblings (the children of Henry IV of France and Marie de' Medici), as were Anne of Austria and Philip IV, who were the children of Philip III of Spain and Margaret of Austria. That means that he had only four great grandparents instead of the usual eight, and that his double cousin parents had the same coefficient of coancestry (1/4) as if they were half-siblings.
Title: Louis, Grand Dauphin
Content: indolent, fatuous, and dull, only the saving grace of his bourgeois morals kept him from outraging the pious people about him. Like his father he enjoyed the hunt, but that was about the only way in which this disappointing son resembled his father. Louis was born on 1 November 1661 at the Château de Fontainebleau, the eldest son of Louis XIV of France and Maria Theresa of Austria (who were double first-cousins to each other). As a Fils de France ("Son of France") he was entitled to the style of Royal Highness. He was baptised on 24 March 1662 at 
Title: Louis II, Prince of Monaco
Content:  Born in Baden-Baden, (Germany), he was the only child of Albert I, Prince of Monaco (1848–1922), and Lady Mary Victoria Hamilton (1850–1922). His mother was a daughter of William Hamilton, 11th Duke of Hamilton, and his wife, Princess Marie Amelie of Baden. Within a year of his parents' marriage Louis was born, but his mother, a strong-willed 19-year-old, disliked Monaco and was unhappy with her husband. Shortly thereafter, she left the country permanently, and the princely couple's marriage was annulled in 1880. Louis was raised in Germany by his mother and stepfather, Count (later Prince) Tassilo Festetics von Tolna, along with his eldest half-sister, Maria-Mathilde (later grandmother of Princess Ira von Fürstenberg), 
Title: Françoise de Chalus
Content:  In 1755, she became the mother of Louis, comte de Narbonne-Lara. It is alleged that Louis XV was the biological father. According to documents of the Military Archive, her husband Jean François de Narbonne-Lara had been wounded 8 years earlier in the War of the Austrian Succession (1747), becoming from that moment on unable of having an offspring. The baptism of Louis, comte de Narbonne-Lara is another indication of that paternity. His name was Louis, and his contemporaries remarked about the similarities between Louis and the King.
Title: Louise of Savoy (nun)
Content:  Louise was born on 28 December 1461, the Feast of the Holy Innocents, to the Amadeus IX, Duke of Savoy, and his wife, Yolande of Valois, the sister of King Louis XI of France. Through her mother, Louise was a collateral descendant of the Franciscan saint, Elizabeth of Hungary. She was born the fifth of their ten children. Her father was a very pious ruler who gave much attention to works of charity in his duchy. He suffered from epilepsy, which, added to his retiring nature, led him to leave the mechanisms of government in the hands of his wife. He himself was beatified in 1677. Louise showed an inclination to the spiritual life 
Title: Louis IV, Elector Palatine
Content:  Louis IV was the son of Louis III, Elector Palatine and his second wife Matilda of Savoy. His mother was a fourth-generation descendant of Thomas III of Piedmont (1248 - 1282), the eldest son of Thomas II of Savoy. From the death of Louis III in 1436 until 1442, Louis IV ruled under guardianship of his uncle, Count Palatine Otto I of Mosbach. In 1444 he repelled the attacks of the Armagnacs as an Imperial captain. In 1445 he married Margarete of Savoy, widow of king Louis III of Naples and daughter of Duke Amadeus VIII of Savoy. With her, he had his only son, Philipp (14 July 1448 &ndash; 28 February 1508). When Louis died in 1449, aged 25 years, in Worms, his brother Frederick inherited the Palatinate. Louis was buried in the Holy Spirit church of Heidelberg.
Title: Louis William, Margrave of Baden-Baden
Content:  Born in Paris, Louis was a son of Hereditary Prince Ferdinand Maximilian of Baden-Baden and his French wife, Louise of Savoy. His godfather was Louis XIV of France. His father was the elder son of Wilhelm, Margrave of Baden-Baden, whom he pre-deceased, leaving Louis to succeed as reigning Margrave of Baden-Baden and head of the Catholic branch of the House of Zähringen. His mother's brother was the Count of Soissons, father of the renowned general Prince Eugene of Savoy, in whose military shadow Louis would live and fight, although the cousins would also be allied in service to the Holy Roman Emperor against the French. His parents being estranged, he was kidnapped as a child from his mother's home in Paris and re-patriated to Germany, where he was raised by his paternal step-grandmother.

Question: Who is the mother of Louis?
Answer: Rotrude.
Hruodrud.