Carl, your post didn't indicate any time frame or birth dates/years for any of the individuals you mentioned. Also, what do you already know? Do you have them in censuses, know any of their death dates, etc.?
I imagine this is the mother of the nuclear family described in your post:
California, Death Index, 1940-1997
Name: Elizabeth Jaeger
[Elizabeth Garbarino]
Gender: Female
Birth Date: 25 Sep 1884
Birth Place: Louisiana
Death Date: 4 Feb 1958
Death Place: Santa Cruz
Father's Surname: Garbarino
And the person you call "Bill":
CA Birth Index:
JAEGER JOSEPH W
1917 12 12
mother maiden GARBARIN
MALE
ORANGE county
CA Birth Cert # 474923
California, Death Index, 1940-1997 about Joseph William Jaeger
Name: Joseph William Jaeger
Social Security #: 566429900
Gender: Male
Birth Date: 12 Dec 1917
Birth Place: California
Death Date: 18 Jul 1987
Death Place: Santa Cruz
Mother's Maiden Name: Garbarino