Louis Jean, duc Decazes French businessman (1889-1941) (1889–1941) Parents Jean, duc Decazes Isabelle Singer Children Élie Ludovic Henri-Christian Decazes de Glücksbierg, 5th Duc de Decazes, 5th Hertig af Glücksbierg Marie Catherine Isabelle Séverine Germaine Marguerite-Marie Decazes de Glücksbierg Siblings Daisy Fellowes Partners Marie Catherine Germaine Couturié