Or, maybe Joseph & Malvina - they have the Canada French connection, and maybe to Napoleon DeMars, also.
"United States Census, 1910," database with images, FamilySearch(https://familysearch.org/ark:/61903/1:1:MPX3-VMR : accessed 25 July 2018), Napoleon Demars in household of Albert Bouchee, Burrillville, Providence, Rhode Island, United States; citing enumeration district (ED) ED 61, sheet 13A, family 253, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1437; FHL microfilm 1,375,450.
Looks to me like Napoleon married his next-door neighbor, Mary Bouchee (assumes facts not in evidence!). -NGP
[AND no Lawrence in the vicinity]