Ifor "Bach" ap Meurig
Ifor "Bach" ap was born about 1110 in Senghennydd, Glamorgan, Wales.  He died before 1170.

 Nest verch Gruffudd
Nest verch was born about 1114 in Carmarthenshire, Wales.

 Gruffudd ap Ifor
Gruffudd ap was born about 1134 in Senghennydd, Glamorgan, Wales.  He died in 1211.