Werner de Merode (1797–1840), founder of the present younger branch of the family, married in 1818 with Countess Victoire de Spangen d'Uyternesse. Among their descendants are: • The
Aosta branch of the Italian royal family, by the marriage of
Louise de Merode (1819–1868) (sister of the penultimate Merode of Ham-sur-Heure) with
Carlo Emmanuele dal Pozzo, 5th Prince of Cisterna, and by the marriage of their daughter
Maria Vittoria dal Pozzo with the founder of the Aosta branch:
Prince Amedeo of Savoy, Duke of Aosta and sometime King Amadeo I of Spain. •
Margherita, Archduchess of Austria-Este, mother of
Lorenz, Archduke of Austria-Este, husband of
Princess Astrid of Belgium, and therefore of their children, who are princes of Belgium. • The princely family of Monaco, by the marriage of
Antoinette de Merode (1828–1864) (another sister of the penultimate Merode of Ham-sur-Heure) with Prince
Charles III of Monaco, founder of Monte Carlo, ancestor of
Albert II of Monaco. • The
House of Arenberg, by the marriage of Marie-Ghislaine (1830–1892) with the Prince de Merode; Antoine, Duke of Arenberg, was their grandson. • Jean de Merode (1864–1933), lieutenant colonel, Grand Marshal of the Court of Belgium, received from King Albert I in 1928 the title of
Prince de Merode, which was extended shortly thereafter to all family members. • Their son, Amaury de Merode (1902–1980), was Grand Marshal of the Court of King Leopold III, president of the Royal Automobile Club of Belgium, and president of the Federation Internationale de l'Automobile (FIA). He married Princess Marie-Claire de Croy (1907–2000). • Their great-grandson Frederic de Merode (1911–1958), president of the Red Cross of Belgium. • Their great-grandson Werner de Merode (1914–1995), Belgian diplomat. • Their great-great-grandson
Alexandre de Merode (1934–2002), vice president of the International Olympic Committee (IOC), president of the IOC Medical Commission, founding chairman of Sportel in Monaco, president of the Royal Association of Historic Houses and Gardens of Belgium, chairman of various sports federations and president of the Centre d'Oeuvre de Merode. •
Victurnienne Ghislaine Françoise Renée de Mérode, married to count
Charles John d'Oultremont, nephew of
William I of the Netherlands. ==Titles of the family==