Hello, I’m new here and it’s my first post. I don’t know if I have to make a personal appearance and where.
About this topic, I’ve saw something about this. From heraldica.org:
"The Current Line of Succession
The line of succession is determined by application of the Constitution of 1962, as revised in 2002, the treaty of 2002 with France (cited in article 1 of the Constitution), the house laws of 1882 as modified in 2002, and by Monegasque law where applicable.
From 1918 to 2002, the constitution and the treaty with France restricted the line of succession to the "direct or adoptive" line of the reigning Prince (art. 3 of the Treaty). Article 10 of the Constitution, as it read until 2002, excluded collateral succession, including the descent of Rainier's sister Antoinette as well as the Urachs and any other collateral branches.
The change to the succession laws in 2002
A law of 2 April 2002 modified article 10. Adoption is now ruled out, and the succession passes, upon death or abdication, to the direct legitimate descent of the previous prince, failing which to his siblings and their descent, failing which to a collateral heir chosen by the Regency Council and the Crown Council in agreement (the composition of the Crown Council is set in art. 75 of the constitution and includes 7 members appointed for 3 years, 4 nominated by the Prince and 3 by the legislature; the composition of the Regency Council is determined by the House laws).
Thus, if Albert succeeds, the throne can now pass after him to his sisters and their children. The new law, however, restricts succession to persons holding Monegasque citizenship at the time of the demise of the previous prince. Laws governing Monegasque citizenship (which is no longer defined in the Constitution) should be promulgated soon.
Although the event is very unlikely, should Rainier die or abdicate with no surviving issue, then the crown passes automatically to his sister Antoinette or her surviving issue. Should One of Rainier's children or grandchildren succeed him, then Antoinette and her issue cease to be automatically in the line of succession, but they remain potential heirs in the event of Rainier's line dying out completely.
At present, the order of succession (ignoring the restriction to persons who are Monegasque citizens at the time of the demise of the crown) is thus:
HSH Prince Albert, Hereditary Prince, (b. 14 March 1958) marquis des Baux by ordinance of March 16, 1958
HRH the Princess of Hanover (Princess Caroline, b. 23 Jan 1957), widow of Stefano Casiraghi (1960-90)
Andrea Casiraghi (b. 8 Jun 1984)
Pierre Casiraghi (b. 5 Sep 1987)
Charlotte Casiraghi (b. 3 Aug 1986)
Alexandra of Hanover (b. 20 July 1999)
HSH Princess Stephanie (b. 1 Feb 1965), married June 1995 to Daniel Ducruet (b. 1964)
Louis Ducruet (b. 26 Nov 1992)
Pauline Ducruet (b. 4 May 1994)
HSH Princess Antoinette (b. 28 Dec 1920)
Christian de Massy (b. 17 Jan 1949)
Brice de Massy (b. 1988)
Antoine de Massy (b. 1997)
Laetizia de Massy (b. 1971)
Elizabeth-Ann de Massy (b. 1947)
Jean-Léonard Taubert Natta (b. 1974)
Mélanie de Lusignan (b. 1985)
Keith Sebastian Knecht (b. 1972)
Although Stephanie's children were born before her marriage, Monegasque civil law, like French law, provides that natural children are fully and completely legitimized by the marriage of their parents (article 227 of the Monegasque Civil Code states in part: "Les enfants nés hors mariage, autres que les enfants adultérins, sont légitimés par le mariage subséquent de leurs père et mère, lorsque ceux-ci les ont légalement reconnus avant leur mariage ou qu'ils les reconnaissent au moment de la célébration." while art. 229 states: "Les enfants légitimés par le mariage subséquent auront les mêmes droits que s'ils étaient nés de ce mariage"). They are thus apt to succeed. Stéphanie's last child Camille Marie Kelly Grimaldi (b. 15 Jul 1998) of undeclared father, is not (yet) legitimate and thus not in line.
Rainier III's sister is HSH Princess Antoinette, born Antoinette Grimaldi, who had three children, by Alexandre Noghès: Elisabeth-Ann (b. 1947), Christian (b. 1949), Christine (1951-89), They were legitimated by the marriage of their parents in 1951. They were named at birth Grimaldi, but by ordinance of November 15, 1951 their names were all changed to "de Massy" (source: Christian de Massy: Palace: my life in the royal family of Monaco. London: Bodley Head, 1986). They all had issue. They and their issue of monegasque nationality could be chosen as successors in case a reigning prince dies or abdicates without issue and without siblings having issue. However, they cannot be placed in an order of succession, since the choice of which collateral heir would be called to the throne is entirely up to the Regency Council and the Crown Council.
The House Law of 29 May 2002 provides additional regulations. The prince can abdicate. The heir (apparent or presumptive) is called Hereditary Prince. The hereditary prince can renounce his rights in writing. Marriages of members of the family must be approved by the prince; if a member marries without approval, he and his issue are excluded from the succession, unless the marriage ends without any issue before a demise of the crown. The house law also provides in detail for regencies."
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