Complex sentence: Jean Carl Pierre Marie d'Orléans, Duc de Vendôme was born in Paris on 19 May 1965 the son of Henri, comte de Paris, duc de France, the Orléanist pretender to the French throne, and Duchess Marie-Thérèse of Württemberg.
Split into simpler sentences: Jean Carl Pierre Marie d'Orléans, Duc de Vendôme was born in Paris on 19 May 1965. He is son of Henri, comte de Paris, duc de France, claimant (pretender) to the French throne, and Duchess Marie-Thérèse of Württemberg.