Owain Ap Maredudd
Owain Ap was born about 1252.  Owain Ap is no longer alive.

 Eleanor Fychan
Eleanor was born about 1250.

 Llewelyn (Lord of Gwynnionith) ap Owain
Llewelyn (Lord of Gwynnionith) ap was born about 1264.  He died in 1309.

 Llewelyn ap Owain  Lord of Iscoed
Llewelyn ap was born about 1264.  He died in 1309.