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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
Results
Clinic
Address: 11915 La Grange Los Angeles California United States
Mobile: 800-231-3373
Website: http://www.cryobank.com
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:
3259
  • Born May 15 1975. Started donating Sep 1 1998. Stopped donating May 1 1999. Hungarian and Polish. Height: 5' 10". Blood type B+. Weight: 185. Blonde Wavy hair. Hazel eyes. Fair complexion. College Graduate. Agnostic.
Donor match
    • Sperm Donor
    • Child
  • Posted 03/07/19
  • Updated on 03/06/19
  • sperm_donor
  • Born 1975. Hungarian, Polish. Height: 5'10". Blood type B+. Weight: 165. Blonde Wavy hair. Hazel eyes. Fair complexion.
Donor match
    • Male born 2001
  • Posted 03/16/09
  • Updated on 03/06/19
  • parent
There are a total of 2 offspring, 2 sibling matches, and 2 donor to offspring matches for this donor.
Clinic
Address: 1245 16th Street Santa Monica California United States
Mobile: 310-828-4008
Website: http://www.californiafertilitypartners.com
Doctors: Richard P. Marrs; Joyce M. Vargyas; Andrea L. Stein; Guy E. Ringler In 1999, became: California Fertility Partners. Doctors: Richard Marrs; Guy Ringler; Joyce Vargyas 11818 Wilshire Blvd., Suite 300 Los Angeles, CA 90025; 310-828-4008 (p); 310-828-3310 (f)
Donor ID:
3259
  • Born May 15 1975. Started donating Sep 1 1998. Stopped donating May 1 1999. Hungarian and Polish. Height: 5' 10". Blood type B+. Weight: 185. Blonde Wavy hair. Hazel eyes. Fair complexion. College Graduate. Social Worker. Agnostic.
    • Sperm Donor
    • Child
  • Posted 03/07/19
  • Updated on 03/07/19
  • sperm_donor
There are a total of 1 offspring, 0 sibling matches, and 0 donor to offspring matches for this donor.
Clinic

Cryos International

Sperm Bank
Address: Vesterport 3 Aarhus C Denmark
Mobile: (+45) 86 76 06 99
Website: http://www.cryosinternational.com
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:
3259
  • Caucasian. Height: 182. Weight: 76. Blonde hair. Brown eyes. Engineer.
    • I am a Child
  • Posted 07/15/25
  • Updated on 07/15/25
  • donor_offspring
There are a total of 1 offspring, 0 sibling matches, and 0 donor to offspring matches for this donor.
Clinic
Address: 56 Aberfoyle Crescent, Suite 300 Toronto Ontario Canada
Mobile: 1-877-317-6079
Website: http://www.repromedltd.com
Toronto & Mississauga, some of these donor numbers are shared with Cryogenic Laboratories, Inc. (CLI). Repromed began in 1990. Sharing of CLI donor numbers began as early as 1993.
Donor ID:
3259
  • Real Estate.
Sibling match
    • Child
  • Posted 05/25/25
  • Updated on 05/26/25
  • parent
Sibling match
    • Female born May 26 2023
  • Posted 10/17/23
  • Updated on 10/17/23
  • parent
Sibling match
    • Male born Feb 10 2022
  • Read message posted 02/06/22
  • Updated on 02/13/22
  • parent
  • Blood type O-. Brown hair. Hazel eyes.
Sibling match
    • Male born Jun 15 2021
  • Posted 08/23/21
  • Updated on 08/23/21
  • parent
Sibling match
    • Child
  • Read message posted 02/13/21
  • Updated on 02/13/21
  • parent
  • Caucasian. Height: 6 '. Blood type O-. Weight: 175 lbs. Dark brown Straight hair. Hazel eyes. Fair complexion. BA (business administ ration). Real Estate. Reading, playing sports, fishing, fixing things.
Sibling match
    • Male born May 2020
  • Read message posted 11/01/20
  • Updated on 11/01/20
  • parent
There are a total of 6 offspring, 6 sibling matches, and 0 donor to offspring matches for this donor.