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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: 2233
  • Born 1970.
  • Started donating Jul 22 1997.
  • Caucasian.
  • Height: 6'2".
  • Blood type O+
  • Weight: 170lbs.
  • Brown Straight hair.
  • Hazel eyes.
  • Medium complexion.
  • Audio Engineer.
  • Poetry, languages, cooking, music.
  • I am a Female born Feb 6 2001
  • Read message posted 10/24/22
  • Updated on 10/25/22
  • donor_offspring
  • Fair complexion.
  • Other.
  • I am a Female born May 21 2000
  • Read message posted 02/13/22
  • Updated on 02/13/22
  • donor_offspring
  • Born 1970.
  • I am a Female born Jun 12 2002
  • Posted 06/26/21
  • Updated on 06/26/21
  • donor_offspring
  • Born 1970.
  • Started donating 1997.
  • English, German, Czesh.
  • Height: 6' 2".
  • Blood type O+
  • Weight: 170.
  • Brown Straight hair.
  • Hazel eyes.
  • Medium complexion.
  • College graduate.
  • Catholic.
  • Poetry, languages, cooking, music of all types.
  • Female born Jul 29 2001
  • Read message posted 08/21/08
  • Updated on 08/21/08
  • parent
  • Born 1970.
  • Started donating Jul 22 1997.
  • English, German, Czech.
  • Height: 6'2".
  • Blood type O+
  • Weight: 170.
  • Brown Straight hair.
  • Hazel eyes.
  • Medium complexion.
  • Male born Jun 2004
  • Male born Jun 2004
  • Read message posted 08/14/06
  • Updated on 09/02/08
  • parent
  • Born 1970.
  • Stopped donating Jul 22 1997.
  • English/German/Czech.
  • Height: 6'2".
  • Blood type O+
  • Weight: 170.
  • Brown Straight hair.
  • Hazel eyes.
  • Medium complexion.
  • College Graduate.
  • Audio Engineer.
  • Catholic.
  • Poetry, lanquage,cooking,music of all styles.
  • Male born Sep 23 2000
  • Read message posted 03/19/06
  • Updated on 09/02/08
  • parent
There are a total of 7 offspring, 7 sibling matches, and 0 donor to offspring matches for this donor.