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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

New England Cryogenic Center (NECC)

Sperm Bank

Also known as New England Sperm Bank. Started in 1982. There should be a letter in front of the donor number. Also has some Rocky Mt. Cryobank donor numbers. Older NECC numbers (like the single digit ones) seem to have PD-?, which was listed as only D-? on later donor lists. These may also have I-? as an identifier on the profile pages. 2016 NOTE: New England Cryogenic (NECC) refuses to give former donors their own donor numbers. A donor just called them for his donor number and was told "we don't do that". This is deliberately trying to keep donors from (sharing medical information with) offspring and their families.


Donor ID & Info Offspring / Contact Info
Donor ID: D-5160
  • I am a Child
  • Posted 11/16/24
  • Updated on 11/16/24
  • donor_offspring
  • Polish.
  • Height: 5'11'.
  • Dark brown hair.
  • Brown eyes.
  • Medium complexion.
  • Aeronautics.
  • Swimming.
  • My daughter is 15 and is interested in learning more about her genetics and half siblings. Any info would be greatly appreciated.
  • Female born Oct 26 2004
  • Posted 08/16/20
  • Updated on 08/16/20
  • parent
  • Female born Dec 2002
  • Read message posted 07/29/08
  • Updated on 02/13/10
  • parent
  • Polish.
  • Height: 6 2.
  • Blood type O+
  • Weight: 190.
  • Dark brown Straight hair.
  • Brown eyes.
  • Medium complexion.
  • Aeronautics.
  • Christian.
  • Swimming.
  • Female born Oct 26 2004
  • Posted 06/16/08
  • Updated on 03/14/09
  • parent
There are a total of 4 offspring, 4 sibling matches, and 0 donor to offspring matches for this donor.