Gwenllian was the only child of Llywelyn ap Gruffudd
Gwenllian was placed in the Gilbertine Priory at Sempringham, where she was held behind high walls until her death fifty-four years later. Her death there was recorded by the priory's chronicler in June 1337, a few days before her 55th birthday.
Gwenllian Griffydd |
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