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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: 2319
  • Born 1978.
  • White.
  • Height: 6'0".
  • Blood type O+
  • Weight: 185.
  • Brown Curly hair.
  • Blue eyes.
  • Mechanical Engineering.
  • Christian.
  • I am a Child
  • Child
  • Read message posted 01/26/23
  • Updated on 01/27/23
  • donor_offspring
  • Born 1978.
  • Height: 6.0.
  • Brown Wavy hair.
  • Blue eyes.
  • Fair complexion.
  • Christian.
  • Looking for siblings for my son born from this donor.
  • Male
  • Posted 06/04/18
  • Updated on 06/03/18
  • parent
  • Male born Feb 19 2004
  • Male born May 1 2006
  • Female born Dec 27 2007
  • Read message posted 09/05/15
  • Updated on 09/04/15
  • parent Post Medical Update
  • Born 1978.
  • Caucasian.
  • Height: 6'0".
  • Blood type O+
  • Weight: 185.
  • Brown Curly hair.
  • Blue eyes.
  • Fair complexion.
  • BS Mechanical Engineering.
  • Student Full Time.
  • Christian.
  • Reading, Music.
  • Likes Soccer, speaks English and German, Fav. color is blue
  • Female born Dec 2000
  • Read message posted 02/12/08
  • Updated on 09/02/08
  • parent
  • Male born Dec 2004
  • Posted 11/05/07
  • Updated on 09/25/11
  • parent
  • Male born Mar 19 2004
  • Female
  • Read message posted 08/16/06
  • Updated on 09/25/11
  • parent
  • Seeking to communicate with siblings or the donor.
  • Male born Jan 1 2005
  • Read message posted 03/27/06
  • Updated on 09/25/11
  • parent
  • Born 1978.
  • Irish, german.
  • Height: 6' 0".
  • Blood type O+
  • Weight: 185.
  • Brown Curly hair.
  • Blue eyes.
  • Fair complexion.
  • Post Graduate.
  • Engineer.
  • Christian.
  • Sports, writing, music.
  • Male born Apr 2002
  • Read message posted 08/01/05
  • Updated on 09/02/08
  • parent Post Medical Update
There are a total of 12 offspring, 11 sibling matches, and 0 donor to offspring matches for this donor.