Mary Hargreaves (1867-1904) (1867–1904) Parents Mary Jane Cobham John Hargreaves Children John Sclater-Booth, 3rd Baron Basing Lydia Joyce Sclater-Booth Joan Penelope Sclater-Booth Siblings Violet Hargreaves John Hargreaves Robert Hargreaves Alexander Hargreaves Guy Hargreaves Laura Hargreaves Frank Hargreaves Amy Jane Hargreaves Partners George Sclater-Booth, 2nd Baron Basing