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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

European Sperm Bank USA (Seattle Sperm Bank)

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: 8534 "CASPER"
  • Born 1988.
  • Lithuanian/Swedish.
  • Height: 5'11".
  • Weight: 174.
  • Hello! My daughter is full of life, silly, funny, mischievous, and so smart. She's been quite articulate since she was about 2. She has blonde hair and green eyes, and she's 15th percentile for height and weight. We live in Cottonwood Heights, Utah and open to contact with siblings and her donor.
  • Female born Jul 20 2011
  • Posted 02/14/16
  • Updated on 02/13/16
  • parent Has Photos
  • Female born Dec 2010
  • Female born Nov 2014
  • Read message posted 01/08/16
  • Updated on 01/08/16
  • parent
  • Height: 5'11.
  • Blood type O+
  • Weight: 175.
  • Blonde hair.
  • Olive complexion.
  • Male born Nov 15 2010
  • Male born Jun 28 2013
  • Read message posted 03/05/15
  • Updated on 03/05/15
  • parent
  • Caucasian/Lithuanian, Swedish.
  • Height: 5'11".
  • Blood type O+
  • Weight: 174.
  • Blonde Straight hair.
  • Brown eyes.
  • Male born Jul 13 2012
  • Read message posted 03/23/14
  • Updated on 04/08/14
  • parent Has Photos
  • Swedish/Lituanian.
  • Blood type O+
  • Weight: 175lbs.
  • Male born Sep 22 2011
  • Male born Jan 31 2013
  • Read message posted 11/08/13
  • Updated on 11/08/13
  • parent
  • Lithuanian/Sweedish.
  • Blood type O+
  • Weight: 175lbs.
  • Blonde Straight hair.
  • Brown eyes.
  • Medium complexion.
  • Biology/Pre-Dental.
  • Christian.
  • Male born Oct 11 2011
  • Male born May 24 2013
  • Read message posted 04/27/13
  • Updated on 11/09/13
  • parent
  • Swedish/Lithuanian.
  • Height: 5'11".
  • Blonde hair.
  • Brown eyes.
  • Female born Oct 7 2011
  • Read message posted 01/17/13
  • Updated on 01/16/13
  • parent
  • Born 1988.
  • Started donating Jul 2009.
  • Lithuanian/Swedish.
  • Height: 6'0".
  • Blood type O+
  • Weight: 175 lbs.
  • Blonde Straight hair.
  • Brown eyes.
  • Medium complexion.
  • Biology/Pre-Dental.
  • Fixing computers, music, concert goer, outdoor activities, travelling, photography.
  • Female born Jun 13 2011
  • Read message posted 01/07/13
  • Updated on 01/24/13
  • parent Has Photos
  • Born 1988.
  • Started donating Jul 2009.
  • Caucasian/Lithuanian Swedish.
  • Height: 5'11".
  • Blood type O+
  • Weight: 174.
  • Blonde hair.
  • Brown eyes.
  • Medium complexion.
  • Biology/Pre dental.
  • Photography, camping, traveling.
  • Male born Mar 17 2012
  • Read message posted 08/12/11
  • Updated on 01/07/13
  • parent Post Medical Update Has Photos
There are a total of 13 offspring, 13 sibling matches, and 0 donor to offspring matches for this donor.

European Sperm Bank, Denmark

Sperm Bank


Donor ID & Info Offspring / Contact Info
Donor ID: 8534 "CASPER"
  • Lithuanian/Swedish.
  • Blood type O+
  • Weight: 175lbs.
  • Blonde Straight hair.
  • Brown eyes.
  • Medium complexion.
  • Biology/Pre-Dental.
  • Christian.
  • Male born Oct 11 2011
  • Read message posted 04/21/13
  • Updated on 04/20/13
  • parent
  • Born 1988.
  • Started donating Jul 2009.
  • Lithuanian/Swedish.
  • Height: 6´0".
  • Blood type O+
  • Weight: 175 lbs.
  • Blonde Straight hair.
  • Brown eyes.
  • Medium complexion.
  • Biology/Pre-Dental.
  • Fixing computers, music, concert goer, outdoor activities, travelling, photography.
  • Female born Jun 13 2011
  • Read message posted 01/07/13
  • Updated on 01/29/13
  • parent
There are a total of 2 offspring, 2 sibling matches, and 0 donor to offspring matches for this donor.

Nordic Cryobank/European Sperm Bank

Sperm Bank

The Nordic Cryo Bank, also called The European Sperm Bank, is situated in Copenhagen, Denmark and was started in 2004. Nordic Cryobank (NCB) initially distributed sperm through CCB in the US, but now they do not- sales are through our European Sperm Bank USA site. Check also California Cryobank donor numbers in the U.S. to see if the donor there is the same number is the same as yours (CCB only has had anonymous donors from NCB/ESB). Donor numbers are four digits and begin with a 7 for this sperm bank. Nordic Cryobank sells to clinics, and patients will get the donor id from the clinic if they ask for it. If possible, please post both the donor name and the donor number. People in the U.S. get donor numbers (they are also on CCB's donor list), and people from other countries get the alias donor name if they have bought via European Spermbank .


Donor ID & Info Offspring / Contact Info
Donor ID: 8534 "CASPER"
  • Born 1988.
  • Started donating Jul 2009.
  • Lithuanian/Swedish.
  • Height: 6'0".
  • Blood type O+
  • Weight: 175 lbs.
  • Blonde Straight hair.
  • Brown eyes.
  • Medium complexion.
  • Biology/Pre-Dental.
  • Fixing computers, music, concert goer, outdoor activities, travelling, photography.
  • Female born Jun 13 2011
  • Read message posted 01/07/13
  • Updated on 01/07/13
  • parent
There are a total of 1 offspring, 0 sibling matches, and 0 donor to offspring matches for this donor.