Seisyll ap  EDNYWAIN
Seisyll ap  was born about 0938.  He died about 0982.

 Prawst verch ELISE
Prawst verch was born about 0940 in Wales.  She died about 0982.

 Llwelyn ap SEISYLL
Llwelyn ap was born about 0980 in Rhuddlan, Flintshire, Wales.  He died about 1021 in Wales.