Robert Charles Graf Bentinck German-British noble and military officer (1875-1932) (1875–1932) Parents Henry Bentinck, 5th Graf Bentinck Henrietta McKerrall Children Brydgytte Bentinck Henry Bentinck, 11th Earl of Portland Siblings Naomi Mechtild Henrietta Bentinck Ursula Victoria Henrietta Bentinck Renira Christine Bentinck Arthur William Douglas Bentinck Henry Duncan Bentinck Charles Henry Bentinck Partners Norah Noel