There is a Benney Parker b. 1940, mother's name campas. If you click the bottom link it shows several other children b. between 1940-1947, same location, mother Campas. You might try to obtain copies of the birth records and see if you can locate any further details, by dob.
California, Birth Index, 1905-1995
Citing this Record: "California, Birth Index, 1905-1995," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/V2QG-DHS, Benney Parker, 02 Jun 1940; citing Kern, California, United States, Department of Health Services, Vital Statistics Department, Sacramento.
Name: Benney Parker Male
Birth: 02 Jun 1940 Kern, California
Mother's Name: Campas
U S Census, 1930 Township 03, Kern, California
Citing this Record: "United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XCFV-VN1, Annie Campas in household of Julaio Campas, Township 03, Kern, California, United States; citing enumeration district (ED) 0030, sheet 4A, family 85, NARA microfilm publication T626, roll 122.
Julaio Campas Head M 49 California
Bearnice Campas Wife F 45 California
Frank Alviso Stepson M 26 California
May Alviso Stepdaughter F 24 California
Joe Alviso Stepson M 22 California
Virginia Alviso Stepdaughter F 20 California
Clara Alviso Stepdaughter F 18 California
Paul Campas Son M 13 California
Annie Campas Daughter F 10 California ? Possible mother
Rosie Campas Daughter F 7 California
Julio Campas Jr. Son M 2 California
Page below has several records for Parker children (mother Campas) all b. Kern, CA: George, Dolores, Bernice, Mary Ann, Mattie Jean?
https://familysearch.org/search/record/results?count=20&query=%2Bsurname%3Aparker~%20%2Bbirth_place%3Aca~%20%2Bbirth_year%3A1920-1950~%20%2Bresidence_place%3A%22tacoma%2C%20wa%22~%20%2Bresidence_year%3A1940-1970~%20%2Bfather_surname%3Aparker~%20%2Bmother_givenname%3Aann~%20%2Bmother_surname%3Acampos~