0━┳▷ Honoré IV GRIMALDI 1758–1819, prince de Monaco &1777 Louise d’AUMONT 1759–1826, duchesse de Mazarin
   ┣━1━━ Honoré V GRIMALDI, prince de Monaco 1778–1841
   ┗━2━┳▶ Florestan Iᵉʳ GRIMALDI 1785–1856, prince de Monaco &1816 Caroline GIBERT de LAMETZ 1793–1879
       ┗━1━┳▷ Charles III GRIMALDI 1818–1889, prince de Monaco &1846 Antoinette DE MERODE 1828–1864
           ┗━1━┳▷ Albert Iᵉʳ Le Prince savant GRIMALDI 1848–1922, prince de Monaco &1869 Mary DOUGLAS-HAMILTON 1850–1922
               ┗━1a┳▷ Louis II GRIMALDI 1870–1949, prince de Monaco Marie Juliette LOUVET 1867–1930, princesse héréditaire de Monaco
                  ┊┗━1─┬▷ Charlotte GRIMALDI 1898–1977, princesse de Monaco &1920 Pierre de POLIGNAC 1895–1964, comte de Polignac
                  ┊    ├─1a┬ Antoinette GRIMALDI 1921–2011, princesse de Monaco &1951–1954 Alexandre NOGHÈS 1916–1999
                  ┊    │  ┊├─1a┬ Élisabeth-Anne de MASSY 1947, baronne de Massy &1974– Bernard Alexandre TAUBERT NATTA 1941–1989, baron
                  ┊    │  ┊│  ┊└─1━┳ Jean Léonard TAUBERT NATTA 1974 &2009 Suzanne CHRIMES
                  ┊    │  ┊│  ┊    ┗━1━━ Melchior TAUBERT NATTA
                  ┊    │  ┊│ 1b┬ Élisabeth-Anne de MASSY 1947, baronne de Massy &1984 Nicolaï Vladimir COSTELLO 1943
                  ┊    │  ┊│   └─1── Mélanie COSTELLO de MASSY 1985
                  ┊    │  ┊├─2a┳ Christian Louis de MASSY 1949, baron de Massy &1970–1978 María Marta QUINTANA y del CARRIL 1951
                  ┊    │  ┊│  ┊┗━1─┬ Laetitia de MASSY 1971 & Thomas de BROUWER 1973
                  ┊    │  ┊│  ┊    ├─1── Rose de BROUWER 2008
                  ┊    │  ┊│  ┊    ├─2━━ Sylvestre de BROUWER 2008
                  ┊    │  ┊│  ┊    ├─3── Lilah de BROUWER
                  ┊    │  ┊│  ┊    └─4── Hermine de BROUWER
                  ┊    │  ┊│ 2b━ Christian Louis de MASSY 1949, baron de Massy &1982–1987 Anne Michelle LÜTKEN 1959–2001
                  ┊    │  ┊│ 2c━ Christian Louis de MASSY 1949, baron de Massy & Julia LAKSCHIN 1968
                  ┊    │  ┊│ 2d┳ Christian Louis de MASSY 1949, baron de Massy & Cécile Irène GELABALE 1968
                  ┊    │  ┊│   ┣━1━━ Brice Souleyman GELABALE-de MASSY 1987
                  ┊    │  ┊│   ┗━2━━ Antoine de MASSY 1997
                  ┊    │  ┊└─3a┬ Christine de MASSY 1951–1989, baronne de Massy &1972–1976 Charles Wayne KNECHT 1944–
                  ┊    │  ┊   ┊└─1━┳ Keith KNECHT de MASSY 1972 &1999 Donatella di GUEVARRA FABBRI 1972
                  ┊    │  ┊   ┊    ┣━1── Christine KNECHT 2000
                  ┊    │  ┊   ┊    ┣━2── Alexia KNECHT 2001
                  ┊    │  ┊   ┊    ┣━3── Vittoria KNECHT 2007
                  ┊    │  ┊   ┊    ┗━4━━ Andrea KNECHT 2008
                  ┊    │  ┊  3b─ Christine de MASSY 1951–1989, baronne de Massy &1988 Léon LEROY
                  ┊    │ 1b─ Antoinette GRIMALDI 1921–2011, princesse de Monaco &1961–1973 Jean-Charles REY 1914–1994
                  ┊    │ 1c─ Antoinette GRIMALDI 1921–2011, princesse de Monaco &1983 John GILPIN 1930–1983
                  ┊    └─2━┳▶ Rainier III GRIMALDI 1923–2005, prince de Monaco &1956 Grace KELLY 1929–1982
                  ┊        ┣━1a─ Caroline GRIMALDI 1957, princesse de Hanovre &1978–1980 Philippe JUNOT 1940
                  ┊        ┃ 1b┬ Caroline GRIMALDI 1957, princesse de Hanovre &1983 Stefano CASIRAGHI 1960–1990
                  ┊        ┃  ┊├─1━┳ Andrea CASIRAGHI 1984 &2013 Tatiana SANTO DOMINGO 1983
                  ┊        ┃  ┊│   ┣━1━━ Sacha CASIRAGHI 2013
                  ┊        ┃  ┊│   ┗━2── India CASIRAGHI 2015
                  ┊        ┃  ┊├─2a┬ Charlotte CASIRAGHI 1986 X2011–2015 Gad ELMALEH 1971
                  ┊        ┃  ┊│  ┊└─1━━ Raphaël ELMALEH 2013
                  ┊        ┃  ┊│ 2b┬ Charlotte CASIRAGHI 1986 &2019 Dimitri RASSAM 1982
                  ┊        ┃  ┊│   └─1━━ Balthazar RASSAM 2018
                  ┊        ┃  ┊└─3━┳ Pierre CASIRAGHI 1987 & Beatrice BORROMEO 1985
                  ┊        ┃  ┊    ┗━1━━ Stefano CASIRAGHI 2016
                  ┊        ┃ 1c┬ Caroline GRIMALDI 1957, princesse de Hanovre &1999– Ernest Auguste V de HANOVRE 1954, prince de Hanovre
                  ┊        ┃   └─1── Alexandra de HANOVRE, princesse de Hanovre 1999
                  ┊        ┣━2a┳ Albert II GRIMALDI 1958, prince de Monaco X1991– Tamara ROTOLO 1961
                  ┊        ┃  ┊┗━1── Jazmin Grace GRIMALDI 1992
                  ┊        ┃ 2b┳ Albert II GRIMALDI 1958, prince de Monaco X1997–2003 Nicole COSTE 1971
                  ┊        ┃  ┊┗━1━━ Alexandre GRIMALDI-COSTE 2003
                  ┊        ┃ 2c┳ Albert II GRIMALDI 1958, prince de Monaco &2011 Charlène WITTSTOCK 1978
                  ┊        ┃   ┣━1── Gabriella GRIMALDI, comtesse de Carladès 2014
                  ┊        ┃   ┗━2━━ Jacques GRIMALDI, prince héréditaire de Monaco 2014
                  ┊        ┗━3a┬ Stéphanie GRIMALDI 1965, princesse de Monaco &1995–1996 Daniel DUCRUET 1964
                  ┊           ┊├─1━━ Louis DUCRUET 1992 &2018 Marie CHEVALIER
                  ┊           ┊└─2── Pauline DUCRUET 1994
                  ┊          3b┬ Stéphanie GRIMALDI 1965, princesse de Monaco X1998 Jean Raymond GOTTLIEB 1967
                  ┊           ┊└─1── Camille GOTTLIEB 1998
                  ┊          3c─ Stéphanie GRIMALDI 1965, princesse de Monaco &2003–2004 Adans LÒPEZ PERES 1974
                 1b━▷ Louis II GRIMALDI 1870–1949, prince de Monaco &1946 Ghislaine DOMMANGET 1900–1991