Familia Griffini ad modum cxl dolo optimatum Sratewi ceciderunt; in cuius vindicta rex Grifinus Demetiam et Stratewi devastavit...
"The family of Gruffydd to the measure of 140 [people] fell by treachery to the nobles of Ystrad Tywi; in punishment for which, King Gruffydd devastated Dyfed and Ystrad Tywi..." (Annales Cambriae, B Text)