This looks like Otto, divorced, living with his oldest children. Click on the image if you can. Not sure of ''Billitti'' - looks like maybe an ''O'' or ''G'' and not B.
Source: "United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XH63-S2P
: accessed 26 October 2017), Wayne Smith in household of Otto G Smith, Filer, Twin Falls, Idaho, United States; citing enumeration district (ED) ED 11, sheet 9B, line 54, family 107, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 403; FHL microfilm 2,340,138.
United States Census, 1930 Filer, Twin Falls, Idaho
Otto G Smith Head M 48 Minnesota Divorced
''Billitti'' Smith Dau F 18 North Dakota
Marion Smith Dau F 15 North Dakota
Wayne Smith Son M 10 North Dakota
Marshell Smith Granddau F 1 Idaho