Princess Maria Anna Victoria of Savoy
Princess Maria Anna Victoria of Savoy (11 September 1683 – 11 October 1763) was the daughter of Prince Louis Thomas of Savoy, Count of Soissons, and Uranie de La Cropte de Beauvais.
Princess Maria Felicita of Savoy
Princess Maria Felicita of Savoy (19 March 1730 – 13 May 1801) was a princess of the House of Savoy, the third daughter of Charles Emmanuel III of Sardinia and his second wife, Polyxena of Hesse-Rotenburg.
Princess Maria Pia of Bourbon-Parma
Princess Maria Pia of Bourbon- Parma( née Princess Maria Pia of Savoy; born 24 September 1934) is the eldest daughter of Umberto II of Italy and Marie- José of Belgium.
She is the older sister of Princess Maria Gabriella of Savoy, Vittorio Emanuele, Prince of Naples, and Princess Maria Beatrice of Savoy.
Infanta Maria Adelaide of Portugal
Doña Maria Adelaide of Braganza, Infanta of Portugal,( 31 January 191224 February 2012) was a member of the royal house of Braganza, daughter of Miguel, Duke of Braganza and Princess Maria Theresa of Löwenstein- Wertheim- Rosenberg.
Yolande Louise of Savoy
Yolande Louise of Savoy( 1487–1499), was a Duchess Consort of Savoy; married to Philibert II, Duke of Savoy.
Princess Maria Adelaide of Savoy-Genoa
Princess Adelaide of Savoy-Genoa (Maria Adelaide Vittoria Amelia; 25 April 1904 – 2 August 1979), was a daughter of Prince Thomas, Duke of Genoa and Princess Isabella of Bavaria.
Prince Oddone, Duke of Montferrat
Oddone of Savoy( Oddone Eugenio Maria; 11 July
1846 – 22 January 1866) was an Italian humanist and philanthropist.
He was the fourth child and third eldest son of King Victor Emmanuel II of Italy and his wife Adelaide of Austria.
He was a" Prince of Savoy".
Adelaide of Maurienne
Adelaide of Savoy( or Adelaide of Maurienne)( or" Adelasia di Moriana", or" Alix" or" Adèle de Maurienne")( 1092 – 18 November 1154) was, by birth, a member of the House of Savoy.
She was the second spouse, but first queen consort, of Louis VI of France( 1115- 1137).
After Louis' death, Adelaide was married to Matthew I of Montmorency.
Princess Maria Isabella of Savoy-Genoa
Princess Maria Isabella of Savoy- Genoa( born 23 June 1943) is the last surviving male- line descendant of the Dukes of Genoa, a cadet branch of the House of Savoy which ruled Italy from 1861 to 1946.
Princess Isabella of Bavaria
Princess Isabella of Bavaria (
Marie Elisabeth Luise Amalie Elvire Blanche Eleonore; 31 August 1863 – 26 February 1924) was the third child and eldest daughter of Prince Adalbert of Bavaria and his wife Infanta Amalia of Spain.
By her marriage to Prince Thomas, Duke of Genoa, she became referred to as the Duchess of Genoa.

Question: Who is the maternal grandfather of Princess Maria Adelaide Of Savoy-Genoa?
Answer: Prince Adalbert of Bavaria