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Viewing Registry

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

Dr. Nachtigall, Robert

Doctors Office


Donor ID & Info Offspring / Contact Info
Donor ID: 54
  • Born Aug 18 1965.
  • Started donating Aug 1 1995.
  • Stopped donating May 1 1996.
  • Caucasian.
  • Height: 5'10".
  • Blood type O+
  • Weight: 165 pounds.
  • Brown Wavy hair.
  • Blue eyes.
  • Fair complexion.
  • B.S. in Engineering, M.S. in Engineering, Ph.D. in Engineering, M.D. (UCSF).
  • Medical Doctor, Electrical Engineer.
  • Protestant.
  • Computers, hiking, traveling, volleyball.
  • I donated only a few times in 1995-1996. I was a medical student at UCSF at the time.
    Sperm Donor
  • Read message posted 02/19/07
  • Updated on 10/02/08
  • sperm_donor Has Donor Survey
There are a total of 0 offspring, 0 sibling matches, and 0 donor to offspring matches for this donor.

Pacific Fertility Center-San Francisco

Clinic


Donor ID & Info Offspring / Contact Info
Donor ID: 54
  • Born Aug 18 1965.
  • Started donating Aug 1 1995.
  • Stopped donating May 1 1996.
  • Caucasian.
  • Height: 5'10".
  • Blood type O+
  • Weight: 165 lbs.
  • Light brown Wavy hair.
  • Blue eyes.
  • Fair complexion.
  • B.S. in Engineering, M.S. in Engineering, Ph.D. in Engineering, M.D. (UCSF).
  • Medical Doctor, Electrical Engineer.
  • Protestant.
  • Computers, hiking, traveling, volleyball.
  • I donated only a few times in 1995-1996. I was a medical student at UCSF at the time. I donated at the San Francisco Center for Reproductive Medicine, run by Dr. Robert Nachtigall.
    Sperm Donor
  • Read message posted 02/12/08
  • Updated on 10/02/08
  • sperm_donor Has Donor Survey
There are a total of 0 offspring, 0 sibling matches, and 0 donor to offspring matches for this donor.

San Francisco Center for Reproductive Medicine

Doctors Office

Sperm doners from medical students Dr. Robert Nachtigall merged with UCSF?


Donor ID & Info Offspring / Contact Info
Donor ID: 54
  • Born Aug 18 1965.
  • Started donating Aug 1 1995.
  • Stopped donating May 1 1996.
  • Caucasian.
  • Height: 5'10".
  • Blood type O+
  • Weight: 165 pounds.
  • Brown Wavy hair.
  • Blue eyes.
  • Fair complexion.
  • B.S. in Engineering, M.S. in Engineering, Ph.D. in Engineering, M.D. (UCSF).
  • Medical Doctor, Electrical Engineer.
  • Protestant.
  • Computers, hiking, traveling, volleyball.
  • I donated only a few times in 1995-1996. I was a medical student at UCSF at the time. I believe that Dr. Nachtigall was the main doctor in charge.
    Sperm Donor
  • Read message posted 02/19/07
  • Updated on 10/02/08
  • sperm_donor Has Donor Survey
There are a total of 0 offspring, 0 sibling matches, and 0 donor to offspring matches for this donor.

Zygen Laboratory

Clinic


Donor ID & Info Offspring / Contact Info
Donor ID: 54
  • Born Sep 4 1957.
  • Started donating Sep 1 1982.
  • Stopped donating Jul 1 1984.
  • Norwiegean, German, Dainish, Dutch, English.
  • Height: 6'1".
  • Blood type O+
  • Weight: 175.
  • Brown Wavy hair.
  • Hazel eyes.
  • Post Graduate degree.
  • Physician.
  • Protestant.
    Sperm Donor
  • Posted 09/18/08
  • Updated on 05/25/18
  • sperm_donor Has Donor Survey
There are a total of 0 offspring, 0 sibling matches, and 0 donor to offspring matches for this donor.