Prince Gruffudd ap Llewelyn of Gwynedd
Gruffudd was born about 1206 in Gwynedd, Caernarvonshire, Wales.  He died  due to fell from the Tower of London in Tower of London, Middlesex, England .

 Senena of Man
Senena was born about 1210 in Isle of Man.

 Dafydd ("Felyn") ap Gruffudd
Dafydd, known as "Felyn", was born about 1226 in Carnarvonshire, Wales .

 Catherine verch Gruffudd
Catherine was born about 1233 in Gwynedd, Caernarvonshire, Wales.