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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

California Cryobank (CCB)

Sperm Bank

The parent company is now Generate Life Sciences. Also Nordic Cryobank (European Sperm Bank) in Denmark: donor numbers in the 7000s and 7100s. CCB was established in 1977, Nordic Cryobank/European Sperm Bank was established in 2004. Those people using the Nordic donors mentioned above, please also post under Nordic Cryobank/European Sperm Bank, and also post the alias donor name if known. 2020: Generate Life Sciences/CCB now also operates the NW Cryobank and Manhattan Cryobank.


Donor ID & Info Offspring / Contact Info
Donor ID: 2309
  • Born 1971.
  • Started donating 2000.
  • Height: 6'4.
  • Weight: 195.
  • Brown Wavy hair.
  • Green eyes.
  • Medium complexion.
  • Political science.
  • I am a Child
  • Posted 04/13/22
  • Updated on 05/01/22
  • donor_offspring
  • Born 1971.
  • English Irish .
  • Height: 6’4”.
  • Blood type O+
  • Weight: 195.
  • Brown Wavy hair.
  • Green eyes.
  • Medium complexion.
  • Bachelors Political Science.
  • Contract negotiator .
  • Male born Aug 12 2002
  • Read message posted 07/25/19
  • Updated on 04/05/21
  • parent
  • Born 1971.
  • English, Irish, and German.
  • Height: 6"4.
  • Blood type O+
  • Weight: 195.
  • Brown Wavy hair.
  • Green eyes.
  • Medium complexion.
  • B.A in Political Science.
  • Research Contract Officer.
  • No religion.
  • Hiking, camping, outdoor activties.
  • Likes to design and create such as home interiors; Favorite sport is baseball; very athletic; likes Mexican food and BBQ
  • Male born Aug 4 2002
  • Read message posted 07/25/19
  • Updated on 07/25/19
  • parent
  • Female born Apr 30 2002
  • Posted 09/13/14
  • Updated on 09/12/14
  • parent Post Medical Update Has Photos
  • Male born Nov 19 2002
  • Read message posted 11/08/09
  • Updated on 09/10/14
  • parent Post Medical Update Has Photos
  • Born 1971.
  • Height: 6'4.
  • Blood type O+
  • Brown Wavy hair.
  • Green eyes.
  • Medium complexion.
  • College.
  • Baseball, hiking.
  • I remember he said he had an unusual ability to apply math to real life situations
  • Female born Jun 12 2002
  • Read message posted 03/06/08
  • Updated on 09/02/08
  • parent Has Photos
There are a total of 6 offspring, 6 sibling matches, and 0 donor to offspring matches for this donor.

Fairfax Cryobank

Sperm Bank

These numbers are the same as those at GIVF (Genetics and IVF). Sperm donors should be listed here, egg donors at GIVF. Fairfax supplies sperm to Can Am Cryo (Canada). They link to CLI on their website (and CLI links to Fairfax on their website), but they have their own donor numbers. They bought out a bunch of smaller sperm banks, including CLI, in 2002, but some of those banks are still operating in separate buildings and kept their old name. The donors are still separate from Fairfax numbers, so they don't have to be crossposted to the Fairfax list (but may need to be posted to another list--see the specific facility to see if something is mentioned in the heading).


Donor ID & Info Offspring / Contact Info
Donor ID: 2309
  • Stopped donating 2005.
  • German/German.
  • Height: 6'1.
  • Blood type A+
  • Weight: 185.
  • Blonde Straight hair.
  • Hazel eyes.
  • Medium complexion.
  • MPH-Epidemiology & Biostats.
  • Grad student.
  • Sports/Chess/Music.
  • Male born Oct 2005
  • Read message posted 03/26/06
  • Updated on 09/26/11
  • parent Post Medical Update
There are a total of 1 offspring, 0 sibling matches, and 0 donor to offspring matches for this donor.