Ellyw ferch Thomas ap Gwgon ap Gwgon ap Bleddyn

Children

• Maredudd ap Rhys Gryg
• Ellyw ferch Rhys Gryg
• Rhys Mechyll
• Arddun ap Rhys Gryg ap Rhys
• Jonet ferch Rhys Gryg ap Rhys
• Hywel ap Rhys Gryg, lord of Llandderog