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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: 5535
  • Born 1977.
  • Caucasian.
  • Height: 6'0.
  • Blood type B+
  • Weight: 190.
  • Blonde Straight hair.
  • Blue eyes.
  • Medium complexion.
  • Catholic.
  • I am a Female born Mar 13 2005
  • Read message posted 02/08/21
  • Updated on 02/08/21
  • donor_offspring
  • Born 1977.
  • Czech.
  • Height: 6.
  • Blood type B+
  • Weight: 190.
  • Blonde Straight hair.
  • Blue eyes.
  • Medium complexion.
  • Hospitality Management .
  • Catholic.
  • I am a Child
  • Read message posted 08/04/20
  • Updated on 08/05/20
  • donor_offspring
  • Czech.
  • Height: 6.
  • Blood type B+
  • Weight: 190.
  • Blonde Straight hair.
  • Blue eyes.
  • Medium complexion.
  • Hospitality Management.
  • Catholic.
  • Male born Dec 5 2004
  • Male born Nov 2004
  • Read message posted 01/17/12
  • Updated on 08/04/20
  • parent
There are a total of 4 offspring, 4 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: 5535
  • Blood type O+
  • Brown Straight hair.
  • Brown eyes.
  • Female born Mar 17 2021
  • Posted 09/20/22
  • Updated on 09/21/22
  • parent
There are a total of 1 offspring, 0 sibling matches, and 0 donor to offspring matches for this donor.