He married in 1901 Mary Ellen Blanche Crookes ( 1870-1935 ) , daughter and coheiress of Septimus Wilkinson Crookes and Anne Blanche Harriet Proctor . He married Mary Ellen Blanche Crookes ( 1870-1935 ) , daughter and co-founder of Septimus Wilkinson Crookes and Anne Blanche Harriet Proctor in 1901 . He married Anne Blanche Harriet Proctor ( 1870-1935 ) , a daughter and co-founder of Septimus Wilkinson Crookes and Mary Ellen Blanche Crookes in 1901 .