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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).

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Posted by Parent
Posted by Sperm Donor
Posted by Egg Donor
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Posted by Offspring (Female)
Posted by Offspring (No Gender Specified)
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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: 5268
  • Male born Aug 28 2005
  • Male born Aug 30 2007
  • Read message posted 01/14/16
  • Updated on 01/13/16
  • parent
  • Born 1975.
  • Started donating Jun 8 1999.
  • Height: 5'10".
  • Blood type A+
  • Weight: 140.
  • Brown Straight hair.
  • Green eyes.
  • Medium complexion.
  • BS Math & BA French.
  • Part-time translator.
  • Agnostic.
  • Likes to build and fix things.
  • Looking for other siblings and the donor. Note: Will pay for donor's membership. Contact Wendy Kramer:
  • Female born Nov 5 2007
  • Read message posted 04/02/14
  • Updated on 07/15/20
  • parent
There are a total of 3 offspring, 3 sibling matches, and 0 donor to offspring matches for this donor.

University of Nebraska Medical Center


University of Nebraska Genetic Semen Bank. Some of these donor numbers are the same as donor numbers from Cryogenic Laboratories, Inc. (CLI)--CLI purchased inventory when they closed this sperm bank. Please check the CLI list too.

Donor ID & Info Offspring / Contact Info
Donor ID: 5268
  • Male born Mar 9 1988
  • Posted 07/28/08
  • Updated on 09/02/08
  • parent
  • Born Oct 30 1951.
  • Started donating 1986.
  • Irish, Italian.
  • Height: 6'1".
  • Weight: 175.
  • Brown Curly hair.
  • Hazel eyes.
  • Olive complexion.
  • Geology, PhD.
  • Geologist- teacher? research?.
  • Catholic.
  • Went to Italy in 86 to study Chernobyl radiation effects- ?
  • Male born Oct 21 1988
  • Read message posted 03/07/06
  • Updated on 09/02/08
  • parent
There are a total of 2 offspring, 2 sibling matches, and 0 donor to offspring matches for this donor.