Robert Calcagno
Robert Calcagno born 26 June 1960 is a Monegasque politician and leader who is CEO of the Oceanographic Institute
Foundation Albert I, Prince of Monaco.
Robert Calcagno has held ministerial posts in the government of the Principality of Monaco between 2006 and 2009.
He now leads the Oceanographic Museum of Monaco and the Maison des océans in Paris
His commitment to the protection of the oceans, to a better balance between Humankind and Nature and, on a broader level, his involvement in the economic, social and international life of the Principality of Monaco, have made him one of the key players in the policies of H.S.H. Prince Albert II of Monaco.
Louis I, Prince of Monaco
Louis I, Prince of Monaco (25 July 1642, in Prince's Palace of Monaco – 3 January 1701, in Rome) was Prince of Monaco from 1662 until 1701.
"Louis Grimaldi" was the elder son of Prince Hercule of Monaco and Maria Aurelia Spinola.
Louis married Catherine Charlotte de Gramont, daughter of Marshal Antoine III de Gramont, on 30 March 1660 in Pau.
They had six children:
In 1662 Louis succeeded his grandfather Honoré II as Prince of Monaco.
In 1666 he distinguished himself at the Four Days' Battle between the English and Dutch fleets.
On 5 July 1668 he took the oath to King Louis XIV of France in the Parlement on account of being Duke of Valentinois and a Peer of France.
He was made a knight of the French royal orders on 31 December 1688.
In 1699 Louis XIV sent Louis to Rome as ambassador extraordinary.
There on 19 December he presented the insignia of the Order of the Holy Spirit to James Louis and Alexander Benedict Sobieski, the two sons of King John III of Poland.
Louis remained in Rome, where he died 3 January 1701.
His remains were transported back to Monaco.
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.
Frederick Louis, Prince of Hohenlohe-Ingelfingen
Frederick Louis, Prince of Hohenlohe- Ingelfingen( 31 January 1746 – 15 February 1818) was a Prussian general.
Catherine Charlotte de Gramont
Catherine Charlotte de Gramont (1639 – 4 June 1678) was the Princess of Monaco by marriage to Louis I of Monaco.
She is known to have been a mistress of Louis XIV of France in 1666.
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.
Claudine, Lady of Monaco
Claudine or Claudia( – 19 November 1515) was Lady regnant of Monaco between 1457 and 1458, and the Lady consort of Monaco by marriage to Lord Lambert of Monaco.
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.
Prince Joseph of Monaco
Prince Joseph of Monaco( Joseph
Marie Jerôme Honoré; 10 September 1763 – 28 June 1816) was a Monagasque prince and brother of Honoré IV, Prince of Monaco.
Her served as regent of Monaco on behalf of his brother in 1814- 1815.
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.

Question: What is the date of death of Louis I, Prince Of Monaco's wife?
Answer: 4 June 1678