Gwenllian verch Ednyfed , of Brynffenigl Fychan

Gwenllian verch Ednyfed , of Brynffenigl's mother was Tangwystl Goch verch Llywarch. She had a brother and two sisters, named Gruffydd ap Llywelyn , Lord Lleyn, Gwladus Ddu "the Dark verch Llywelyn and Gwenllian verch Llywelyn.  Gwenllian verch Ednyfed , of Brynffenigl is no longer alive.

‌Gwenllian verch Ednyfed , of Brynffenigl and Llywelyn Fawr ap , Prince of Wales were married in a religious ceremony.¹