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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

Cryos International

Sperm Bank

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 & Info Offspring / Contact Info
Donor ID: 8521 "GIZMO"
  • Caucasien .
  • Height: 194.
  • Brown hair.
  • Child
  • Posted 08/20/24
  • Updated on 08/20/24
  • parent
  • Born 1978.
  • Caucasian.
  • Blood type B+
  • Brown hair.
  • Grey eyes.
  • Female born Oct 28 2013
  • Male born Jan 8 2020
  • Read message posted 01/23/18
  • Updated on 01/22/20
  • parent
  • Born 1978.
  • Started donating 2012.
  • Stopped donating 2014.
  • Blood type B+
  • Grey eyes.
  • We would love to get in contact with donor siblings and/or donor.
  • Male born Jan 2016
  • Read message posted 07/01/16
  • Updated on 07/01/16
  • parent Has Photos
  • Born 1978.
  • Blood type B+
  • Grey eyes.
  • We are interested in contact with half siblings and/or donor.
  • Male born May 2015
  • Read message posted 02/07/16
  • Updated on 02/06/16
  • parent
There are a total of 5 offspring, 5 sibling matches, and 0 donor to offspring matches for this donor.