King Madog ap Maredydd of Powys
Madog was born about 1091 in Montgomeryshire, Wales.  He died in Winchester, Hampshire, England.  He was buried in St. Tysilio, Meifod, Montgomeryshire, Wales.

 Susanna verch Gruffydd
Susanna was born about 1095 in Caernarvonshire, Wales.

 Margaret ferch Madog
Margaret was born about 1129 in Montgomeryshire, Wales.

 Gwenllian ferch Madog
Gwenllian was born in 1130 in Overton-Madoc, Flintshire, Wales.

 Efa verch Madog
Efa was born about 1133 in Montgomeryshire, Wales.

 Lord Gruffudd (Maelor) ap Madog I of Maelor
Gruffudd, known as Maelor, was born about 1133 in Maelor, Wales.  He died in 1191.