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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: 5136
  • Started donating 1996.
  • Black hair.
  • Brown eyes.
  • Olive complexion.
  • Chiropractor.
  • Jewish.
  • Female born Jan 25 2001
  • Read message posted 06/08/17
  • Updated on 06/07/17
  • parent
  • Born Jul 17 1969.
  • Started donating 1994.
  • Stopped donating 1998.
  • Russian / Jewish / Middle Eastern.
  • Height: 6'1.
  • Blood type A-
  • Weight: 190.
  • Dark brown Straight hair.
  • Dark brown eyes.
  • Olive complexion.
  • BS / Student - Chiropractor.
  • Jewish.
  • Swimming.
  • Donor 5136 donated to Xytex under donor # AJM 9329 then later to California Cryobank under donor # 5136.
  • I am a Female born Jun 1997
  • Read message posted 08/11/16
  • Updated on 02/02/17
  • donor_offspring Post Medical Update
  • Male born Mar 2000
  • Female born Mar 2000
  • Read message posted 04/04/10
  • Updated on 04/04/10
  • parent
  • Born 1969.
  • Started donating Nov 14 1996.
  • Russian.
  • Height: 6'1.
  • Blood type A-
  • Weight: 190.
  • Black Straight hair.
  • Brown eyes.
  • Olive complexion.
  • Jewish.
  • Male born Sep 9 2000
  • Female born Sep 9 2000
  • Read message posted 03/19/06
  • Updated on 09/02/08
  • parent
  • Started donating 1996.
  • Russian.
  • Brown Straight hair.
  • Brown eyes.
  • Olive complexion.
  • College.
  • Chiropractor.
  • Jewish.
  • Acting.
  • Female born Aug 1999
  • Read message posted 12/13/04
  • Updated on 10/10/10
  • parent
There are a total of 7 offspring, 7 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: 5136
  • English-Polish (Jewish)/English-Irish.
  • Height: 5'11".
  • Blood type B+
  • Weight: 155 lbs.
  • Brown Wavy hair.
  • Blue eyes.
  • Fair complexion.
  • PhD.
  • Computer Scientist.
  • Agnostic.
  • Female born Sep 26 2018
  • Posted 07/29/23
  • Updated on 07/29/23
  • parent
  • Brown hair.
  • Blue eyes.
  • Fair complexion.
  • Phd Candidate.
  • Female born May 2018
  • Female born Nov 2022
  • Read message posted 03/11/22
  • Updated on 12/23/22
  • parent
  • Caucasian .
  • Height: 5 foot 11 in.
  • Blood type B+
  • Weight: 155lbs .
  • Brown Wavy hair.
  • Blue eyes.
  • Fair complexion.
  • PhD/Cancer biology .
  • Computer scientist .
  • Board games, reading, writing .
  • Male born Apr 6 2018
  • Read message posted 04/07/21
  • Updated on 04/07/21
  • parent
There are a total of 4 offspring, 4 sibling matches, and 0 donor to offspring matches for this donor.