Maria Vittoria of Savoy was a legitimated daughter of Victor Amadeus II of Sardinia, first king of the House of Savoy. Married to the head of a cadet branch of the House of Savoy, she is an ancestor of the kings of Sardinia and of the Savoy kings of Italy.

Victor Amadeus II was the head of the House of Savoy and ruler of the Savoyard states from 12 June 1675 until his abdication in 1730. He was the first of his house to acquire a royal crown, ruling first as King of Sicily (1713–1720) and then as King of Sardinia (1720–1730). Among his other titles were Duke of Savoy, Duke of Montferrat, Prince of Piedmont, Marquis of Saluzzo and Count of Aosta, Maurienne and Nice.