Question: how are uruk hai born in lord of the rings?
Answer: 9 They Fought For Sauron First The LotR Wikia states, “Uruk-hai were first created by Sauron late in the Third Age. There are suggestions that the Uruk-hai were the result of crossbreeding Orcs and men." There are multiple points in the movies as well that describe the Uruks as ruined or tortured elves.