you found the above family in the 1921 Canada Census . What area in Saskatchewan ?
Do you have any further information that might help others help you.
Occupation of Walter - any middle names - for Walter, Ruth, Ethel,Ruby Age/ date/hear of birth
Find a Grave online -
http://www.findagrave.com/cgi-bin/fg.cgishows a Headstone
St. Ambrose Cemetery - Swanson Battleford Saskatchewan
SUNDERLAND -
John Edward 1852 - 1924 - Elizabeth 1847 - 1937
Walter 1875 - 1927 - Ruth 1880 - 1978 Abraham 1873 - 1952
Also - perhaps family connected":
Abram - 1873 - 1952
Elizabeth 1873 - 1952
John Edward 1851 - 1924
GRIFFITHS, Vera Sanderland 1908 - 1992
OBITUARIES - the most current- may show names and locations of Ethel and Ruby at the time.
Govt of Sask - Vital Events online Marriage not yet index - not all events online
Registration Number: 5994
Name: SUNDERLAND : ETHEL MAY
Sex: F Birth Date (yyyy/mm/dd): 1906 / 12 / 11
Place of Birth: 12-32-09-0 DELISLE
Mother RUTH CRYER
Father WALTER SUNDERLAND
Registration Number: 8873
Name: SUNDERLAND : RUBY VERA
Sex: F Birth Date (yyyy/mm/dd): 1908 / 10 / 7
Place of Birth: SWANSON
Mother RUTH CRYER SUNDERLAND
Father WALTER SUNDERLAND