ap Bleddyn, Maredudd - Prince of Poys
M, d. 1132
| Father | ap Cynfyn, Bleddyn - Prince of Deheubarth d. 1075 |
| Mother | Haer of Gestyn-Efionydd (?) (?) |
Ap Bleddyn, Maredudd - was born in Powys, Wales. Ap married Hunydd of Duffryn (?), daughter of Gwerny, Efnydd ap, Lord of Duffryn, in Wales. Ap departed this life in 1132 in Meifod, Powys, Wales.