Encyclopedia.com is quoting/paraphrasing (with credit) the 2003 New Catholic Encyclopedia. Place, area, of origin, date of birth, and exact date of death unknown; fl.1167, died after 1195. Also:
read Wernher about an early Middle Ages poet who in 1172 wrote poetry sometimes but very likely mistakenly attributed to this poet. Is the poetry we are dealing with in this category by Wernher (Priester), not by Werner of Tegernsee? Needs checking.