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Male Llywelyn ap Seisyll Prince of North Wales Click to view Llywelyn ap Seisyll Prince of North Wales in the family tree

Llywelyn ap Seisyll was born about 0960 in Wales.1   Llywelyn ap Seisyll's father was Seisyll UNKNOWN and his mother was Prawst verch Elisedd.  His maternal grandfather was Elisedd ap Anarawd.  He was an only child.  He died in 1023.1 


Llywelyn ap Seisyll's family with Angharar verch Maredudd

They had a son named Gruffydd ap Llywelyn.

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