Seisyll Llt ap Edpo
Seisyll Llt ap was born in 0938.  Seisyll Llt ap is no longer alive.

 Trawst verch Eliseg
Trawst verch was born in 0940.  Trawst verch is no longer alive.

 Llywelyn ap Seisyll
Llywelyn ap was born in 0980.  He died at the age of 43 in 1023.