Summary
Registrant Tammy Windhorst is looking for her biological birth sibling. The adoptee was born in California in 1962 on November 21st. He was born Christakis to birthmother Constance (Conn Harriet Stine (maiden name Christakis). His adoptive name became Jonathon Lambros Foster.Online Genealogy and Family Research Resources
WINDHORST results at Ancestry.com - more than 1.5 billion recordsJonathon Foster records at Ancestry.com
Constance (Conn Stine records at Ancestry.com
Constance (Conn Christakis records at Ancestry.com
Franklin Cizerle records at Ancestry.com
California Adoption Record: # 42508
Biological Sister looking for Birth Sibling
Tammy Windhorst
Adoptee's Info
Birth Name: Christakis
Adoptive Name: Jonathon Lambros Foster
Date of Birth: Nov 21, 1962 (now 63 years old)
Gender: Male
Birth Location: Unknown city, Unknown county, California USA
Birthmother's Info
Name: Constance (Conn Harriet Stine (Christakis)
Born: Jun 17, 1944 (now 81 years old)
Age at Adoptee's Birth: Unknown
Religion: Unknown
Birthfather's Info
Name: Franklin Cizerle
Born: Unknown
Age at Adoptee's Birth: Unknown
Religion: Unknown
Born at Hospital:
Birth Certificate:
Adoption Agency:
Additional Info
Just found out me and my sister Felicia, have a half-brother and we are looking for him.
Registered: November 2, 2016
Biological Sister looking for Birth Sibling
Tammy Windhorst
Adoptee's Info
Birth Name: Christakis
Adoptive Name: Jonathon Lambros Foster
Date of Birth: Nov 21, 1962 (now 63 years old)
Gender: Male
Birth Location: Unknown city, Unknown county, California USA
Birthmother's Info
Name: Constance (Conn Harriet Stine (Christakis)
Born: Jun 17, 1944 (now 81 years old)
Age at Adoptee's Birth: Unknown
Religion: Unknown
Birthfather's Info
Name: Franklin Cizerle
Born: Unknown
Age at Adoptee's Birth: Unknown
Religion: Unknown
Born at Hospital:
Birth Certificate:
Adoption Agency:
Additional Info
Just found out me and my sister Felicia, have a half-brother and we are looking for him.
Registered: November 2, 2016
Recent adoption records added to the online California biological family reunion registry
- Female adoptee born on Oct 22, 1970 in Camarillo, California
Adoption record added Sunday, Dec 14, 2025 at 4:34pm - Biological Sister looking for Female adoptee born on Oct 25, 1954 in California
Adoption record added Sunday, Dec 7, 2025 at 11:08am - Female adoptee born on Apr 17, 1967 in San Diego, California
Adoption record added Saturday, Dec 6, 2025 at 8:26pm - Other Birth Family looking for Any Birth Family of Female adoptee born on Dec 31, 1966 in Sacramento, California
Adoption record added Monday, Nov 17, 2025 at 6:20am - Birth Father looking for Male adoptee born on Aug 17, 2005 in Redwood City, California
Adoption record added Monday, Nov 10, 2025 at 9:17am - Other Birth Family looking for Female adoptee born on Feb 3, 1957 in San Francisco, California
Adoption record added Wednesday, Oct 1, 2025 at 4:20pm - Other Birth Family looking for Birth Sibling of Female adoptee born on May 19, 1956 in San Francisco, California
Adoption record added Wednesday, Oct 1, 2025 at 4:06pm