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 May 22, 1968 in Los Angeles, California
Adoption record added Sunday at 5:48pm - Other Birth Family looking for Female adoptee born on Oct 23, 1969 in Pittsburg, California
Adoption record added Saturday, Jan 31st at 9:48pm - Female adoptee born on Nov 14, 1960 in Canoga Park, California
Adoption record added Wednesday, Jan 21st at 12:18pm - Male adoptee born on Dec 31, 1973 in El Centro, California
Adoption record added Saturday, Jan 17th at 4:17am - Biological Sister looking for Female adoptee born on 1963 in Napa, California
Adoption record added Wednesday, Jan 14th at 12:14pm - 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