GRAND FORKS — The doctor accused of using his own genetic material to inseminate a patient and father her children 40 years ago has been stripped of his title as chair of the Department of Obstetrics and Gynecology at the University of North Dakota's medical school. The lawsuit was filed by three women: Jean Ann Nelson and her adult daughters, Tasheena Greaves, 41, and Janae Nelson Raymond, 40. Janae Nelson Raymond, left, and Tasheena Greaves, right. Instead of using donor sperm, the suit alleges Lutz used his own and never disclosed it to Nelson. Contributed / Nelson familyGreaves and Nelson Raymond found out Lutz was their biological father after submitting their DNA to Ancestry.com last year.