Hélène Cécile Boreel (1886-1966) (1886–1966) Parents Robert Eugene Boreel Florence Brooke Children Hélène Florence Sophie Huyssen van Kattendijke Siblings Sir Francis William Robert Boreel, 11th Bt. Florence Ida Sophia Boreel Sir Alfred Boreel, 12th Bt. Christine Sybil Sarah Boreel Partners Hendrik Willem Gustaaf Maurits Huyssen van Kattendijke