A 61-year-old professor born in Phoenix, Arizona, believes he is the first person to gain Irish citizenship solely based on the results of a DNA test, the Irish Times reported.John Portmann, an author and professor of religious studies at the University of Virginia, took an Ancestry.com test in 2019 at the behest of his adopted sister. Portmann was cared for by nuns in Phoenix before being adopted and grew up not knowing anything about his background.When he received his DNA results, he was shocked to find out he was full-blooded Irish...he couldn't stop thinking about Ireland and about his biological...