Owain was the youngest son of Gruffydd ap Llywelyn and Ealdgyth of Mercia. Very little is known of his life. .
Family tree for Owain ap Gruffydd son of Gruffydd ap Llewelyn showing:
parents 
siblings 
Published Apr 18, 2020 @ 3:28 pm – Updated – [last-modified]
Harvard Reference for this page:
Heather Y Wheeler. (2020). Owain ap Gruffydd fl 1060. Available: https://www.treesofblue.com/owain-ap-gruffydd-fl-1060. Last accessed April 24th, 2025