[1][2] She was born around 1105 AD in Tegeingl, Flintshire.
She was the sister to Rymel verch (Goronwy) Gronwy.
[1][2] Owain ap Edwin, Lord of Tegeinel, was her grandfather.
[3] Upon the death of her husband Owain in 1170 she supported her sons Dafydd and Rhodri in their murder of their half-brother Hywel in 1170 to get control of Owain's estate and the inheritance.
[1] It is unknown exactly where or when she died, assumed to be someplace in the Kingdom of Gwynedd in Wales.