Start with your family and work back. Add detailed sources so you or someone else can find the records you referenced. Eventually you want to look at ancestors siblings. From a profile you can use the Research menu option to run RootsSearch then pick the desired site.
You might want to start by adding this for George
"United States Census, 1900," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:MMYR-ZT1 : accessed 13 October 2018), George Warner in household of Mark V Warner, Lebanon & Oak Townships Lebanon city, Smith, Kansas, United States; citing enumeration district (ED) 175, sheet 17A, family 271, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,501.
And then contact the profile manager for Warner-6101