Rachel Bromwich (born 1915) is a British scholar. Her focus is on medieval Welsh literature, which she taught at the University of Wales Institute, Cardiff. Among her most important contributions to the study of Welsh literature was the Trioedd Ynys Prydein, the modern edition of the Welsh Triads. Originally published in 1963, a new edition was printed in 2005. Medieval Welsh literature is the medieval literature written in the Welsh language from before 1100 to the 16th century. ... Affiliations University of Wales, Coalition of Modern Universities, Association of Commonwealth Universities Website http://www. ... The Welsh Triads (Welsh, Trioedd Ynys Prydein) is used to describe any of the related Medieval collection of groupings of three that preserve a major portion of Welsh folklore and Welsh literature. ...