"California, County Marriages, 1850-1952," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K8VT-N6P : 8 December 2017), Robert Elwyn Arnold and Frances Langley Sutton, 27 Aug 1942; citing Los Angeles, California, United States, county courthouses, California; FHL microfilm 2,114,963.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZSC-LP2 : accessed 20 March 2020), Robert Arnold in household of Katharin Cromb, Dowagiac Ward 3, Cass, Michigan, United States; citing ED 123, sheet 3B, line 95, family 67, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 756; FHL microfilm 1,820,756.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XQYQ-C2P : accessed 20 March 2020), Robert Arnold in household of Lucile Arnold, Dowagiac, Cass, Michigan, United States; citing enumeration district (ED) ED 4, sheet 15B, line 73, family 398, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 979; FHL microfilm 2,340,714.
When copying data from this family tree, please include a reference to the origin: Erik Develter, "Family tree Erik Develter", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-erik-develter/I1438725273643105.php : accessed May 14, 2025), "Robert Arnold (1912-)".
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