Robert Marr Wharam
1854 Born in Thorne, Yorkshire (the same place as Thomas Crapper was born a few years earlier).
1891 Robert Marr Wharam 34 , sanitary engineer, plumber, staying in Eastboure with Amelia Jane Wharam 29, Robert Gillingham Wharam 5, Beatrice Ruth Wharam 10 months[1]
1904 Bought his business from Thomas Crapper.
1911 Robert Marr Wharam 57, managing director, manufacturing sanitary engineer, lived in Kensington with Amelia Jane Wharam 49, Robert Gillingham Wharam 25, director, manufacturing sanitary engineer, Beatrice Ruth Wharam 20[2]
1939 Director T. Crapper and Co Ltd. Lived in Petersfield.[3]
1942 Died in Amersham[4]