Princess Stéphanie of Monaco
Princess Stéphanie of Monaco, Countess of Polignac( Stéphanie Marie Elisabeth Grimaldi; born 1 February 1965) is the youngest child of Rainier III, Prince of Monaco, and the American actress Grace Kelly.
She is the younger sister of Albert II, Prince of Monaco, and Caroline, Princess of Hanover.
Currently 14th in the line of succession to the Monegasque throne, she has been a singer, swimwear designer and fashion model.
Charles III, Prince of Monaco
Charles III (8 December 1818 – 10 September 1889) was Prince of Monaco and Duke of Valentinois from 20 June 1856 to his death.
He was the founder of the famous casino in Monte Carlo, as his title in Monegasque and Italian was Carlo III.
He was born in Paris Charles Honoré Grimaldi, the only son of Florestan I of Monaco and Maria Caroline Gibert de Lametz.
Jerrold Wexler
Jerrold Wexler( June 27, 1924 – November 10, 1992) was a noted American businessman and film producer.
He was the brother of cinematographer Haskell Wexler and the stepfather of actress Daryl Hannah.
Antoinette de Mérode
Antoinette de Merode (Antoinette Ghislaine; 28 September 1828 – 10 February 1864), was the Princess of Monaco by marriage to Charles III, Prince of Monaco.
Maria Caroline Gibert de Lametz
Marie Caroline Gibert de Lametz, (18 July 1793 – 25 November 1879), was a French stage actress and a Princess Consort and regent de facto of Monaco by marriage to Florestan I, Prince of Monaco.
Otto III, Prince of Anhalt-Bernburg
Otto III, Prince of Anhalt- Bernburg( died 27 February 1404) was a German prince of the House of Ascania and ruler of the principality of Anhalt- Bernburg.
He was the youngest son of Bernhard III, Prince of Anhalt- Bernburg, by his third wife Matilda, daughter of Magnus I, Duke of Brunswick- Göttingen.
Princess Charlotte, Duchess of Valentinois
Princess Charlotte of Monaco, Duchess of Valentinois( Charlotte Louise Juliette Grimaldi; 30 September 1898 – 15 November 1977), was the daughter of Louis II, Prince of Monaco, and the mother of Rainier III, Prince of Monaco.
From 1922 until 1944, she was the Hereditary Princess of Monaco, heir presumptive to the throne.
Héctor Barrantes
Héctor Barrantes Sansoni( 1939–1990) was an Argentine polo player.
He was the stepfather of Sarah, Duchess of York.
Chevalier de Grimaldi
Antoine Grimaldi, le Chevalier [de] Grimaldi, (Paris, 2 October 1697 – Monaco, 28 November 1784) was the de facto ruler of Monaco between 1732 and 1784.
An illegitimate son of Antonio I of Monaco and the dancer Élisabeth Dufort (named "Babé"), he was recognized by his father in 1715.
The Chevalier de Grimaldi became governor-general of Monaco on 20 May 1732, when his brother-in-law Jacques I, Prince of Monaco and his young nephew Honoré III, Prince of Monaco moved to Hôtel Matignon in Paris and remained there, even after the proclamation in 1734 of Honoré as Prince of Monaco.
This situation remained the same for half a century until Antoine's death in 1784, when Honoré III was already 64 years old.
Antoine Grimaldi was an able regent.
For example, he succeeded in keeping Monaco out of the War of the Austrian Succession (1740–1748).
He never married and died on 28 November 1784.
His remains were moved in 1966 to the Apse of the Monaco Cathedral.
Gerald Rudolff Ford
Gerald Rudolff Ford( December 9, 1890 – January 26, 1962) was an American businessman, creator of Ford Industries, and Republican politician who was the stepfather of U.S. President Gerald Ford and for whom Ford legally changed his name.

Question: Who is the father of Charles Iii, Prince Of Monaco?
Answer: Florestan I, Prince of Monaco