This may help with the questionable surname (Debenski, Demenski) - see attached homestead map of area of interest - right beside Ernest Nelson. Should help this thread help you. Good luck!
Leo Bernard Tedeschi (R.M. OF PREECEVILLE NO. 334) SE 18-37-06 W2
Name: Leo Bernard Tedeschi
Birth Date: 12 Jan 1879
Birth Location: Willenhall.staffordshire, England
Residence: Winnipeg, Manitoba, Canada
Relative: Elizabeth Emma Tedeschi
Relationship: Father
Regiment Number: 830597
Leo Bernard Tedeschi in the Canada, Soldiers of the First World War, 1914-1918 - see attached papers.
Name: Leo B Tedeschi
Gender: Male
Age: 27
Birth Year: abt 1880
Date of Arrival: 2 Mar 1907
Vessel: Tunisian
Port of Arrival: Halifax, Nova Scotia, Canada Via St Johns, Newfoundland, Canada
Port of Departure: Liverpool, England
See attached - Canadian Passenger Lists, 1907 for Leo B Tedeschi
Name: Pvt Leo Bernard Tedeschi
Birth Date: 12 Jan 1879
Birth Place: Staffordshire, England
Death Date: 14 Apr 1919
Death Place: England
Cemetery: Seaford Cemetery
Burial or Cremation Place: Seaford, Lewes District, East Sussex, England
http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=12...Name: L B Tedeschi
Death Date: 14 Apr 1919
Unit: Manitoba Regiment (Depot)
Rank: Private
Service number: 830597
Burial Country: United Kingdom
Leo Tedeschi in the 1901 England Census
Name: Leo Tedeschi
Age: 22
Estimated Birth Year: abt 1879
Relation to Head: Son
Gender: Male
Mother: Emma Elizabeth Tedeschi
Birth Place: Willenhall, Staffordshire, England
Civil Parish: Willenhall
Ecclesiastical parish: Willenhall St Stephen
Town: Willenhall
County/Island: Staffordshire
Country: England
Registration district: Wolverhampton
Sub-registration district: Willenhall
Page Number: 23
Household schedule number: 144
Household Members:
Name Age
Emma Elizabeth Tedeschi 59
Santina Tedeschi 25
Cecilia Tedeschi 24
Leo Tedeschi 22
Alfred Tedeschi 20
Louis O Tedeschi 14
Eugenie Tedeschi 27
Rosa Connolly 32
John Buker 60
Minnie Buker 47
Laura Buker 28
Louise Buker 24
Elizabeth Buker 22
Leo Tedeschi in the 1891 England Census
Name: Leo Tedeschi
Age: 10
Estimated Birth Year: abt 1881
Relation: Son (Child)
Father's name: Everi A Tedeschi
Mother's name: Emma E Tedeschi
Gender: Male
Where born: Willenhall, Staffordshire, England
Civil Parish: Willenhall
Ecclesiastical parish: St Stephen
Town: Willenhall
County/Island: Staffordshire
Country: England
Lee B. Tedeschi in the 1881 England Census
Name: Lee B. Tedeschi
Age: 2
Estimated Birth Year: abt 1879
Relationship to Head: Son
Father: Yacri A. Tedeschi
Mother: Emma E. Tedeschi
Gender: Male
Where born: Willenhall, Staffordshire, England
Civil Parish: Willenhall
County/Island: Staffordshire
Country: England
Street address: 60 W'hampton St
Leo Bernard Tedeschi - Saskatchewan, Probate Estate Files
Name: Leo Bernard Tedeschi
Event Type:Probate
Event Date: 1919
Judicial District: Yorkton
File Number: 1257
https://familysearch.org/pal:/MM9.3.1/TH-1942-21042-13655-47...