Llywelyn ap , Prince of North Wales Seisyll

Llywelyn ap , Prince of North Wales was born in 0980 in Rhuddlan, Flintshire, Wales.  Llywelyn ap , Prince of North Wales' father was Seisyll ap Ednywain and his mother was Prawst verch Elise.  He was an only child.  He died at the age of 43 in 1023.  He was buried in King of Deheubarth & Gwynedd.

‌Llywelyn ap , Prince of North Wales and Angharad verch were married in a religious ceremony about 0994.  They had a son named Gruffudd ap , Prince of Wales.