Sharon,Here is a little information from familysearch.
Iowa Births Guthrie, Iowa Roy Bradburn Birth-Oct. 5, 1883 Parents-Alfred Bradburn and Sarah Jane Triggs Bradburn
Ray Bradburn Birth-March 14, 1886-Guthrie, IA Parents-Alfred And Sarah J. Bradburn
Iowa Marriages Groom-Alfred Bradburn Age-47 Birthdate-1847 Birthplace-Illinois Parents-Jacob Bradburn and Emily Bowman Bride-Susie Huff Age-31 Parents-Benjamin Huff and Mary Bicken Marriage Date-June 7, 1894 Marriage Place-Allison, Butler, Iowa
1900 census for Valley, Guthrie, Iowa Alfred Bradburn-age 52-born IN Susie Bradburn-wife-age 44-born OH Roy Bradburn-son-age 17-born IA Ray Bradburn-son-age 14-born IA
1910 census for Lincoln, Burnett, Wisconsin Alfred Bradburn-age 62-born Iowa Susann Bradburn-wife-age 53-born OH Delbert C. Bradburn-son-age 30-born IA
1920 census for Lincoln, Burnett, Wisconsin Susie Bradburn-age 64-born OH-widowed Dell Bradburn-stepson-age 40-born IA Roy Bradburn-stepson-age 33-born IA
Roy and Ray Bradburn are in Marshland, Burnett, WI in the 1905 census listed as nephews to Saunda Bradburn.Other family listed is Guy, Venie, Anna, Chas, Claudie, and Iva or Ina.
If you go to findagrave.com you will find Guy Bradburn-parents listed as Stephen Franklin Bradburn and Clarinda Van DeVanter.Stephen's parents are listed as Jacob and Emily Bradburn.
1860 census for Bloomfield, Winneshiek, IA Jacob Bradburn-age 38 Emily J. Bradburn-age 36 Mary J-age 15-born IN Margret-age 14-born IN Alfred-age 12-born IL Peter-age 10-born IA Cassa E.-age 7-born IA Marthia T.-age 5-born IA Stephen F.-age 3-born IA Sarah M-age 1-born IA Benton Bowman-age 20-born IN