Count Olivier de Lannoy (born 1974) (b. 1974) Parents Count Philippe de Lannoy Alix de Lannoy Children Count Philippe de Lannoy Count Gustave de Lannoy Siblings Countess Natalia de Lannoy Christian de Lannoy Stéphanie, Grand Duchess Consort of Luxembourg Countess Gaëlle de Lannoy Jehan de Lannoy Count Amaury de Lannoy Countess Isabelle de Lannoy Partners Alice van Havre