about 1300–after 1343 (Age 43)
Merionethshire, Wales, United Kingdom
When Owain ap Dafydd was born about 1300, in Merionethshire, Wales, United Kingdom, his father, Dafydd ap Gruffudd, was 20 and his mother, Gwerful ferch Maredudd, was 23. He had at least 1 son. He died after 1343, at the age of 44.