Helen Jane Allardice (1837-1871) (1837–1871) Parents Anna Maria Macdiarmid William Patrick Allardice Children Mary Douglas H. Onslow Alexandrina Maria Onslow William George Onslow Douglas Astley Onslow Siblings John McDermid Allardice George J. C. Allardice Maria Georgiana Elizabeth Allardice William Alexander Allardice Partners Harrington Campbell Onslow