There isn't any present-day documents in the Streatley monk and nun ever-existing, although there are several previous monastic web-sites close by. The Yew has perhaps contributed for the legend, as being the trees commonly grow in churchyards (typically survivals of pre-Christian pagan web pages in which church buildings now stand). https://louishgrlx.blogzet.com/southern-gothic-folk-music-for-dummies-52407624