Rhys Mechyll ap Rhys Gryg
Rhys Mechyll ap Rhys was born in 1200.  He died at the age of 44 in 1244.

 Maud de Braose
Maud was born after 1204 in Breconshire, Wales.  She died in Glower, Glamorganshire, England.

 Gwenllian verch Rhys
Gwenllian verch was born before 1244.