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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: 75
  • Born Apr 27 1959.
  • German/Irish.
  • Height: 6'2".
  • Blood type O+
  • Weight: 195.
  • Light brown Straight hair.
  • Blue eyes.
  • Light brown complexion.
  • I was sperm donor #75 at the California Cryoback in the 80s, I requested to be anonymous and I was until about 6 months ago. One of my donor children found me through my sister who submitted DNA for genealogy on 23 and me. I had never told anyone that I had donated, so this contact was completely unexpected by everyone in my life that I had to tell.
    Sperm Donor
  • Child
  • Read message posted 03/27/19
  • Updated on 12/22/21
  • sperm_donor
  • Born 1959.
  • Started donating Oct 23 1985.
  • German/Irish.
  • Height: 6'2.
  • Weight: 165.
  • Blonde Straight hair.
  • Blue eyes.
  • Fair complexion.
  • Catholic.
  • I am a Male born Jun 24 1988
  • Female born Jun 24 1988
  • Posted 09/14/18
  • Updated on 09/14/18
  • donor_offspring
  • Male born Aug 30 1990
  • Read message posted 11/30/13
  • Updated on 11/30/13
  • parent
  • I am a Male born Dec 19 1986
  • Read message posted 11/26/12
  • Updated on 11/26/12
  • donor_offspring
  • Born Apr 1959.
  • German/irish.
  • Height: 6'2".
  • Blood type O+
  • Weight: 165.
  • Blonde Straight hair.
  • Blue eyes.
  • Fair complexion.
  • M.A. Psychology.
  • Psychology.
  • Catholic.
  • Flying, movies, water skiing.
  • I am a Female born Nov 10 1989
  • Read message posted 02/10/09
  • Updated on 03/12/16
  • donor_offspring Has Photos
  • Born Apr 1959.
  • German/Irish.
  • Height: 6'2".
  • Blood type O+
  • Weight: 165.
  • Blonde Straight hair.
  • Blue eyes.
  • Fair complexion.
  • M.A. Psychology.
  • Catholic.
  • Flying, water skiing, swimming, hiking, movies, theatre.
  • I am a Female born Jun 30 1990
  • Read message posted 02/07/09
  • Updated on 02/06/09
  • donor_offspring
There are a total of 7 offspring, 6 sibling matches, and 6 donor to offspring matches for this donor.

Cryos International

Sperm Bank

PLEASE CHECK/ POST UNDER SCANDINAVIAN CRYOBANK LIST TOO! Started in Denmark in 1987. Major Danish sperm bank. People who buy from both the Denmark bank and US bank could get a number or an alias. Cryos has started to recently begin assigning just numbers to US based donors again - these donors have absolutely no information provided about them beyond the very basics. People who order from Cryos Denmark can get extended profiles, alias names, numbers, etc. now for some donors. The US bank is no longer in New York, it is in Orlando, Florida. When the bank moved it shipped all remaining vials of US donors to the Denmark bank. People who are looking to buy those vials from the US can no longer do so as the bank does not ship to the US. People who want full genetic siblings should know to look for their US donor at the Denmark location. May 2021: Cryos now sells sperm in Gainesville, FL. Cryos ships sperm to over 100 countries.


Donor ID & Info Offspring / Contact Info
Donor ID: 75
  • I am a Male born Jun 17 1993
  • Female born 1995
  • Read message posted 10/29/18
  • Updated on 10/28/18
  • donor_offspring Post Medical Update Has Photos
  • Caucasian (nordic).
  • Height: 182 cm.
  • Blood type O-
  • Weight: 78 kg.
  • Blonde hair.
  • Blue eyes.
  • Math student.
  • The donor was 22 years old when donating in 1991. Donated to Cryos Aarhus, Denmark. A math student at a university.
  • I am a Female born 1998
  • Posted 02/27/17
  • Updated on 02/27/17
  • donor_offspring
There are a total of 3 offspring, 2 sibling matches, and 0 donor to offspring matches for this donor.

Cryos NY (Scandinavian Cryobank)

Sperm Bank

PLEASE POST UNDER CRYOS INT'L SPERM BANK LIST TOO! U.S. branch in New York but all sperm comes from Danish Donors and is shipped from Denmark. Changed name to Cryos International in 2007 to match parent company, Cryos International that is located in Denmark. After the ban started in May 2005, European sperm was no longer shipped to the U.S. The ban for sperm from U.S. to Europe started in April 2007. The U.S. branch started using American donors sometime in 2007, when they ran out of imported donors. See also the Denmark Cryos list. Some donors have alias names and some have donor numbers, so check the Files section of the Yahoo group for Cryos In list of donors, http://health.groups.yahoo.com/group/DonorSiblingRegistry/files/. If possible, please post both the donor name and the donor number. People outside the U.S. who order from Cryos Denmark do not get extended profiles or the alias name, they get a donor number.


Donor ID & Info Offspring / Contact Info
Donor ID: 75
  • Caucasian (nordic).
  • Height: 182cm.
  • Blood type O-
  • Weight: 78kg.
  • Blonde hair.
  • Blue eyes.
  • Math student.
  • 22 years old when donations were made
  • I am a Child
  • Posted 02/27/17
  • Updated on 02/28/17
  • donor_offspring
There are a total of 1 offspring, 0 sibling matches, and 0 donor to offspring matches for this donor.

London Sperm Bank

Sperm Bank

Is re-selling Seattle Sperm Bank donors using different donor numbers.


Donor ID & Info Offspring / Contact Info
Donor ID: 75
  • British .
  • Height: 173.
  • Blood type A+
  • Light brown hair.
  • Brown eyes.
  • Fair complexion.
  • Studying for BSc degree sport and science .
  • Student.
  • No religion.
  • Music, politics, philosophy .
  • Skills: music
  • Female born Dec 21 2012
  • Read message posted 02/05/24
  • Updated on 02/05/24
  • parent
There are a total of 1 offspring, 0 sibling matches, and 0 donor to offspring matches for this donor.