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NOTE: Information shown below has been voluntarily submitted by individuals interested in establishing mutually desired contact between half-siblings and/or donors (genetic relatives).

Disclaimer: This registry is intended strictly for informational purposes, and is neither endorsed nor supported by any individual or organization. Please note that while access to this list is restricted to individuals over 18 years of age, it is up to each and every parent to supervise and monitor their child's use of the Internet.

Posted by Parent
Posted by Sperm Donor
Posted by Egg Donor
Posted By Offspring (Male)
Posted by Offspring (Female)
Posted by Offspring (No Gender Specified)
Has Medical Info
Has Photos
Donor Q&A
Donor Match
Sibling Match

Dr. Nachtigall, Robert

Doctors Office


Donor ID & Info Offspring / Contact Info
Donor ID: 26
  • Started donating 1981.
  • Austrian.
  • Height: 6'00".
  • Weight: 170.
  • Blonde Straight hair.
  • Blue eyes.
  • Fair complexion.
  • UCSF Medical student.
  • Guitar, reading, piano.
  • Hobbies were guitar, reading and piano.
  • I am a Male born Oct 4 1982
  • Read message posted 01/31/17
  • Updated on 02/03/17
  • donor_offspring Has Photos
There are a total of 1 offspring, 0 sibling matches, and 0 donor to offspring matches for this donor.

Northwest Cryobank

Sperm Bank

DESPITE THE THREATS AND WARNINGS FROM THIS CRYOBANK: ALL DONORS HAVE THE RIGHT TO POST HERE TO MAKE MUTUAL CONSENT CONTACT WITH FAMILIES! 2017: NW Cryobank is now partnered with California Cryobank. Northwest Andrology & Cryobank Inc. was founded in Missoula, MT in 1986, was located at Physicians Center, Suite 304, 2825 Fort Missoula Rd, Missoula, MT to provide infertility-related services. A second branch is in Spokane, Washington, since around 1995. NOTE: There is a separate listing on this registry for Andrology Northwest, which was a clinic run by Dr. Sampson, located in Portland, OR. Be sure you are posting in the right place.


Donor ID & Info Offspring / Contact Info
Donor ID: 26
  • Child
  • Posted 08/24/20
  • Updated on 08/25/20
  • parent
  • Born 1980.
  • Czech, German, Caucasian .
  • Height: 5'9.
  • Blood type O-
  • Weight: 175.
  • Light brown Straight hair.
  • Blue eyes.
  • Medium complexion.
  • University student, Pursuing Masters in Forest Res Mgmt.
  • Rugby, forestry club, woodsman team.
  • Loves music, plays guitar and saxophone, likes hunting, fishing and camping, donor was adopted, has 1 biological sister who is 4 years younger. Adoptive parents both had masters degrees, mother was a teacher, father was a historian who authored a book. Donor was born catholic, was a practicing Mormon at time of donation. Offspring conceived with this donor was born with genetically confirmed KBG syndrome which is a mutation on ANKRD11. Mom does not carry the mutation. Update: 8/2019 Donor was tested for the exact mutation my child has and was found negative however they can not rule out gonadal mosaicism.
  • Female born Jun 1 2006
  • Read message posted 04/03/05
  • Updated on 08/01/19
  • parent Post Medical Update
  • Child
  • Read message posted 06/18/04
  • Updated on 10/26/06
  • parent
  • Child born Dec 2004
  • Read message posted 04/10/04
  • Updated on 10/26/06
  • parent
There are a total of 4 offspring, 4 sibling matches, and 0 donor to offspring matches for this donor.

University of Utah

Clinic

Some of these donor numbers are the same as donor numbers listed at the Center for Reproductive Medicine, MN.


Donor ID & Info Offspring / Contact Info
Donor ID: 26
  • Caucasian .
  • Height: 6'.
  • Blood type AB-
  • Weight: 180.
  • Blonde Curly hair.
  • Green eyes.
  • Fair complexion.
  • Female born Jul 5 1988
  • Posted 06/26/16
  • Updated on 03/15/17
  • parent
There are a total of 1 offspring, 0 sibling matches, and 0 donor to offspring matches for this donor.