Question: Who is Adélaïde Of France (1732–1800)'s maternal grandfather?

Knowledge 1: Adélaïde of France (1732–1800)
Marie Adélaïde de France, (23 March 1732 in Versailles – 27 February 1800 in Trieste), was a French princess, the fourth daughter and sixth child of King Louis XV of France and his consort, Marie Leszczyńska.As the legitimate daughter of the king, she was a "fille de France".She was referred to as "Madame QuatrièmeMadame the Fourth"), until the death of her older sister Marie Louise in 1733, as "Madame TroisièmeMadame the Third"); as "Madame Adélaïde" from 1737 to 1755; as "Madame" from 1755 to 1759; and then as "Madame Adélaïde" again from 1759 until her death.Adélaïde possessed the Duchy of Louvois with her sister Sophie from 1777 until 1792, which had been created for them by their nephew Louis XVI, in their own right. [SEP] Knowledge 2: Marie Leszczyńska
Maria Karolina Zofia Felicja Leszczyńska (23 June 1703 – 24 June 1768), also known as Marie Leczinska , was a Polish princess and French queen consort.The daughter of King Stanisław Leszczyński—Stanislaus I of Poland (later Duke of Lorraine)–and Catherine Opalińska, she married King Louis XV of France and became queen consort of France.She served in that role for 42 years from 1725 until her death in 1768, the longest service of any queen of France, and was popular due to her generosity and piety.She was the grandmother of Louis XVI, Louis XVIII and Charles X of France.
Knowledge 1: Adélaïde of France (1732–1800)
Marie Adélaïde de France, (23 March 1732 in Versailles – 27 February 1800 in Trieste), was a French princess, the fourth daughter and sixth child of King Louis XV of France and his consort, Marie Leszczyńska.As the legitimate daughter of the king, she was a "fille de France".She was referred to as "Madame QuatrièmeMadame the Fourth"), until the death of her older sister Marie Louise in 1733, as "Madame TroisièmeMadame the Third"); as "Madame Adélaïde" from 1737 to 1755; as "Madame" from 1755 to 1759; and then as "Madame Adélaïde" again from 1759 until her death.Adélaïde possessed the Duchy of Louvois with her sister Sophie from 1777 until 1792, which had been created for them by their nephew Louis XVI, in their own right. [SEP] Knowledge 2: Princess Marie Adelaide of Luxembourg
Princess Marie-Adélaïde of Luxembourg (Marie-Adélaïde Louise Thérèse Wilhelmine; 21 May 1924 – 28 February 2007) was a Luxembourgish princess, the third child and the second daughter of Grand Duchess Charlotte (1896–1985) and Prince Felix of Bourbon-Parma (1893–1970).
Knowledge 1: Adélaïde of France (1732–1800)
Marie Adélaïde de France, (23 March 1732 in Versailles – 27 February 1800 in Trieste), was a French princess, the fourth daughter and sixth child of King Louis XV of France and his consort, Marie Leszczyńska.As the legitimate daughter of the king, she was a "fille de France".She was referred to as "Madame QuatrièmeMadame the Fourth"), until the death of her older sister Marie Louise in 1733, as "Madame TroisièmeMadame the Third"); as "Madame Adélaïde" from 1737 to 1755; as "Madame" from 1755 to 1759; and then as "Madame Adélaïde" again from 1759 until her death.Adélaïde possessed the Duchy of Louvois with her sister Sophie from 1777 until 1792, which had been created for them by their nephew Louis XVI, in their own right. [SEP] Knowledge 2: Princess Marie of Hanover
Princess Marie of Hanover (2 December 1849 – 4 June 1904) was the younger daughter of King George V of Hanover and of his wife, Princess Marie of Saxe-Altenburg.

Answer: Stanisław Leszczyński