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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: 5493
  • Born 1975.
  • Started donating Jun 11 2002.
  • Serbian, Hungarian.
  • Height: 6'4".
  • Blood type O+
  • Weight: 195.
  • Straight hair.
  • Hazel eyes.
  • Medium complexion.
  • BA.
  • Systems engineer.
  • West african drumming, black/white photography, sound engineering and recording.
  • Table tennis, speaks english, french, serbo-croatian hungarian
  • I am a Female
  • Read message posted 01/22/08
  • Updated on 09/26/11
  • donor_offspring
There are a total of 1 offspring, 0 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: 5493
  • Irish-Polish/Native American-Italian.
  • Height: 182cm .
  • Blood type A+
  • Weight: 207lb.
  • Brown Curly hair.
  • Green eyes.
  • Medium complexion.
  • Female born Feb 20 2023
  • Male born Feb 20 2023
  • Read message posted 05/28/23
  • Updated on 05/28/23
  • parent
  • Irish-Polish/Native American-Italian.
  • Height: 6'0".
  • Brown Curly hair.
  • Green eyes.
  • Child born Dec 1 2023
  • Read message posted 04/24/23
  • Updated on 04/24/23
  • parent
  • Male born Dec 9 2021
  • Read message posted 04/20/23
  • Updated on 04/20/23
  • parent Has Photos
  • Male
  • Read message posted 07/07/22
  • Updated on 07/08/22
  • parent
  • Irish, Polish/ Native American - Italian.
  • Height: 6'0.
  • Blood type A+
  • Weight: 207.
  • Brown Curly hair.
  • Green eyes.
  • Medium complexion.
  • PHD - Chemical Engineering.
  • Female born May 5 2022
  • Read message posted 06/30/22
  • Updated on 06/30/22
  • parent
  • Child
  • Posted 06/08/22
  • Updated on 06/08/22
  • parent
  • Italian, Native American, Irish, Polish.
  • Height: 6'.
  • Blood type A+
  • Weight: 207.
  • Brown Curly hair.
  • Green eyes.
  • Medium complexion.
  • Child born Jan 30 2023
  • Read message posted 05/31/22
  • Updated on 05/31/22
  • parent
  • Caucasian.
  • Height: 6’0”.
  • Blood type A+
  • Weight: 207 lbs.
  • Brown Curly hair.
  • Green eyes.
  • Medium complexion.
  • PhD/Chemical Engineering.
  • Post-doctoral researcher.
  • Ballroom dancing, Camping, Hiking, Kayaking, Team Sports.
  • Child born Nov 25 2022
  • Read message posted 05/17/22
  • Updated on 05/17/22
  • parent Has Photos
  • Irish-Polish/Native American-Italian.
  • Height: 6’0”.
  • Blood type A+
  • Weight: 207.
  • Brown Curly hair.
  • Green eyes.
  • Medium complexion.
  • PhD/Chemical Engineering.
  • Post-doctoral Researcher.
  • No religion.
  • Ballroom dancing, Camping, Hiking, Kayaking, Team Sports.
  • Female born Oct 7 2021
  • Female born Apr 3 2024
  • Posted 05/01/21
  • Updated on 03/26/24
  • parent Has Photos
  • Started donating May 8 2018.
  • Irish-Polish/Native American-Italian.
  • Height: 6'0".
  • Blood type A+
  • Weight: 195.
  • Brown Curly hair.
  • Green eyes.
  • Medium complexion.
  • PhD/Chemical Engineering.
  • Postdoctoral Researcher.
  • No religion.
  • Ballroom dancing, Camping, Hiking, Kayaking, Team Sports.
  • I am a scientist focusing on new materials for energy storage and environmental remediation. I strive to do research that benefits the world in a tangible way. I am an avid fitness fan, running, going to the gym, or exercising nearly every day. I enjoy reading, the outdoors, and consider myself very extroverted. Previously, I have attended an ivy league university for my undergraduate degree, and for my PhD went to a top 10 school in my field. I'm more than happy to answer any questions you may have.
    Sperm Donor
  • Posted 07/09/20
  • Updated on 07/09/20
  • sperm_donor
There are a total of 11 offspring, 11 sibling matches, and 12 donor to offspring matches for this donor.