Heavily disillusioned with his situation in the Netherlands, Prince William then went into exile in Paris, where he threw himself into a life of sex, drinking and gambling. He shared this life with Henriette Hauser (also Hausser), his Parisian mistress, a "boulevard theatre" actress. The Duke de Gramont-Caderousse, a French fellow hedonist, gave him the nickname "Prince Lemon" [le prince Citron in French]; the nickname became popular among the regulars in the recently created boulevards and the Parisian newspapers when they reported about his debauched lifestyle.
Disillusioned with his situation in the Netherlands, Prince William sought refuge in Paris to indulge in a life of excess, including sex, alcohol, and gambling. He was accompanied by Henriette Hauser (also Hausser), a Parisian actress from the "boulevard theatre," whom he shared his debauched lifestyle with. The Duke de Gramont-Caderousse, a fellow hedonist, bestowed upon him the nickname "Prince Lemon" [le prince Citron in French], which quickly gained traction among those frequenting the newly established boulevards and Parisian newspapers reporting on his scandalous behavior.