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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.

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Posted by Sperm Donor
Posted by Egg Donor
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Posted by Offspring (Female)
Posted by Offspring (No Gender Specified)
Has Medical Info
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Donor Q&A
Donor Match
Sibling Match

Seattle Sperm Bank (European Sperm Bank USA)

Sperm Bank

Branches in Seattle and New York. (Main office in Copenhagen - see Denmark). dba: Seattle Sperm Bank. When donors are contacted by offspring or parents they sometimes contact their sperm bank to make sure that the people are legitimate. The DSR heard feedback from a woman who located her donor via an Internet search, reached out to him, and received a very warm and welcoming reply. He was happy to be in touch. He did however first reach out to Seattle/European Sperm Bank first to make sure that the woman was legitimate. Seattle/European Sperm bank sent her the following email: " *** has tried to contact one of our donors and according to our files this must to be you. As I hope you understand such action is not appropriate according to the term which the donor sperm is bought. Our donors are in the program to help women or couples having children. If it is an open donor the donor can be contacted, but only by the child and when the child is grown up. These young donors trust that they can be anonymous and this must be respected. Please confirm that you will not proceed with any contact to donor but comply with the terms and conditions, you have agreed to at the time of your purchase."


Donor ID & Info Offspring / Contact Info
Donor ID: 9970 "HAMILTON"
  • Born 1988.
  • Czech, German, British .
  • Height: 6’5”.
  • Weight: 215 lbs.
  • Light brown Wavy hair.
  • Brown eyes.
  • Medium complexion.
  • Protestant.
  • Female born 2021
  • Posted 11/28/24
  • Updated on 11/28/24
  • parent
  • US/German/Czech.
  • Brown eyes.
  • Rowing Coach.
  • Female born Nov 2017
  • Posted 02/07/24
  • Updated on 02/08/24
  • parent
  • Male born Jun 7 2023
  • Posted 07/21/23
  • Updated on 07/21/23
  • parent
  • Height: 6'5".
  • Weight: 215.
  • Light brown hair.
  • Brown eyes.
  • Rowing Coach.
  • Female born May 2018
  • Read message posted 07/05/19
  • Updated on 07/04/19
  • parent
  • Born 1988.
  • Czech, German, British.
  • Height: 6'5".
  • Weight: 215 lbs.
  • Light brown Wavy hair.
  • Brown eyes.
  • Medium complexion.
  • Rowing.
  • Male born Feb 2018
  • Read message posted 06/18/19
  • Updated on 06/18/19
  • parent
There are a total of 5 offspring, 5 sibling matches, and 0 donor to offspring matches for this donor.