Gruffudd ap Maredudd
Gruffudd was born about 1093 in Montgomeryshire, Wales.  He died in 1128.

 Gwerful verch Gwrgeneu
Gwerful was born about 1097 in Radnorshire, Wales.

 Owain Cyfeiliog ("Cyfeiliog") ap Gruffudd
Owain Cyfeiliog, known as "Cyfeiliog", was born about 1125 in Montgomeryshire, Wales.  He died in 1197 in Strata Marcella.  He was buried in Strata Marcella.