Howka, do you have an ancestry membership?
I looked on wikipedia and found some info on one of the brothershttp://en.wikipedia.org/wiki/Louis_Johnson_(bassist
then I looked at the birth index.. hope this helps
California Birth Index, 1905-1995 about Louis Edward Johnson
Name: Louis Edward Johnson
Birth Date: 13 Apr 1955
Mother's Maiden Name: Mckay
Birth County: Los Angeles