Madeline was born in Belgium. she came to the Us, settled in Michigan, and married Walter Peters. Her date of death is unknown.
"Michigan Marriages, 1868-1925," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:N3RM-1Z4 : 18 February 2021), Walters Peters and Madeline Boele, 8 Feb 1917; citing Marriage, Mount Pleasant, Isabella, Michigan, , Citing Secretary of State, Department of Vital Records, Lansing; FHL microfilm 4210008.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X7ST-4WH : accessed 25 June 2021), Madline Peters in household of Walter G Peters, Detroit (Districts 0751-0879), Wayne, Michigan, United States; citing enumeration district (ED) ED 866, sheet 19A, line 31, family 5, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1070; FHL microfilm 2,340,805.