Arthur Andrew Onslow (1815-1864) (1815–1864) Parents Richard Onslow Harriet Mary Foley Children William Dyson Onslow unknown Onslow Richard Francis Onslow Augustus Paul Lumsden Onslow unknown Onslow Cecilia Louisa Onslow Siblings Constantia Freeman Elizabeth Onslow Richard Foley Onslow Anne Cecilia Onslow Harriott Frances Onslow Thomas Phipps Onslow Frances Onslow Partners Harriet Louisa Marshall