Was that the 1851 Census? If you're thinking that all the people on the page are in one household, they aren't that is a mistake with how Ancestry has interpreted the record.
Name Jacob Riel Gender Male
Age Next Birthday 36 Estimated Birth Year 1815
Birthplace, Canada, Census year 1851
Enumeration District, York County Enumeration District Number 42
Sub-Enumeration District, Vaughan, Sub-Enumeration District Number 401
Residence Place, York, Canada West (Ontario), Canada
Profession, Trade, or Occupation, Labourer, Religion Methodist
Household Members 25, includes all the people on the page, people named Riel Cathrane, age 32, Jely age 10 and Edward age 3, Jacob and Cathrane, are shown as married the X's next to their ages indicates married
Line Number 37, Page Stamped 89, Page Handwritten 6
You can find the same record interpreted correctly on
http://automatedgenealogy.com/census52/SurnameSearch.jsp?surname=Riel&ew=w&did=42
