Tewdur "Mawr" ap Cadell
Tewdur "Mawr" was born about 1000 in ,Deheubarth,Wales.¹   He died about 0997 in Bretagne.

 Gwenllian verch Gwyn
Gwenllian was born in 1020 in Dyvet,,Wales.¹   Gwenllian is no longer alive.

 Rhydderch ap Tewdwr
Rhydderch was born in 1055 in Gwarthaf (Derllys),Carmarthenshire,Wales.¹ 

 Elen verch Tewdwr
Elen was born in 1058 in Llandilo (Dynevor Castle),Carmarthenshire,Wales.¹