Edwin ap Gronwy 
Edwin was born in 1020 in Tegeingl,Flintshire,Wales.  He died at the age of 53 in 1073 in Northop,Flintshire,Wales.

 Iwerydd verch Cynfyn
Iwerydd was born in 1024 in Powys,Wales.

 Owain Ap Edwin
Owain Ap was born in 1044 in Llys Edwin,Llaneurguin,Flintshire,Wales.  He died at the age of 61 in 1105.