Summary
Registrant Mark Markgraf is an adoptee looking for his biological birth sibling. The adoptee was born in Illinois in 1963 on March 11th. He was born Michael Tillemans in Elmhurst in Du Page County to 20 year old birthmother Jerilynn S Tillemans (maiden name Thing). none handled the adoption. His adoptive name became Mark Garrett Markgraf.Online Genealogy and Family Research Resources
MARKGRAF results at Ancestry.com - more than 1.5 billion recordsJerilynn Tillemans records at Ancestry.com
Jerilynn Thing records at Ancestry.com
Louis Tillemans records at Ancestry.com
Illinois Adoption Record: # 19169
Adoptee looking for Birth Sibling
Mark Markgraf
Adoptee's Info
Birth Name: Michael Tillemans
Adoptive Name: Mark Garrett Markgraf
Date of Birth: Mar 11, 1963 at 0856 (now 62 years old)
Gender: Male
Birth Location: Elmhurst city, Du Page county, Illinois USA
Birthmother's Info
Name: Jerilynn S Tillemans (Thing)
Born: 1942 (now 84 years old)
Age at Adoptee's Birth: 20
Religion: Unknown
Birthfather's Info
Name: Louis Arnold Tillemans
Born: 1938 (now 88 years old)
Age at Adoptee's Birth: 24
Religion: Unknown
Born at Hospital: Elmhurst Memorial Hospital
Birth Certificate:
Adoption Agency: none
Registered: March 5, 2012
Adoptee looking for Birth Sibling
Mark Markgraf
Adoptee's Info
Birth Name: Michael Tillemans
Adoptive Name: Mark Garrett Markgraf
Date of Birth: Mar 11, 1963 at 0856 (now 62 years old)
Gender: Male
Birth Location: Elmhurst city, Du Page county, Illinois USA
Birthmother's Info
Name: Jerilynn S Tillemans (Thing)
Born: 1942 (now 84 years old)
Age at Adoptee's Birth: 20
Religion: Unknown
Birthfather's Info
Name: Louis Arnold Tillemans
Born: 1938 (now 88 years old)
Age at Adoptee's Birth: 24
Religion: Unknown
Born at Hospital: Elmhurst Memorial Hospital
Birth Certificate:
Adoption Agency: none
Registered: March 5, 2012
Recent adoption records added to the online Illinois biological family reunion registry
- Biological Sister looking for Female adoptee born on Unknown in Illinois
Adoption record added Thursday, Jan 22nd at 6:56am - Biological Sister looking for Male adoptee born on Unknown in Illinois
Adoption record added Thursday, Jan 22nd at 6:56am - Other Birth Family looking for Male adoptee born on Apr 7, 1958 in Illinois
Adoption record added Sunday, Jul 20, 2025 at 8:40am - Biological Sister looking for Birth Sibling of Female adoptee born on Feb 13, 1967 in Chicago, Illinois
Adoption record added Sunday, Jul 13, 2025 at 3:25pm - Female adoptee born on Dec 1, 2002 in Waukegan, Illinois
Adoption record added Tuesday, Jun 24, 2025 at 8:24pm - Birth Mother looking for Male adoptee born on Jun 25, 2005 in Hoffman Estates, Illinois
Adoption record added Thursday, Jun 19, 2025 at 1:17pm - Adoptive Relative looking for Any Birth Family of Female adoptee born on Feb 27, 1953 in Chicago, Illinois
Adoption record added Friday, May 23, 2025 at 7:25pm