Thorneyside Tywysog

Thorneyside Tywysog was by Brenin Brynawelon and out of Rhystyd Welsh Maid, who was by Brenin Gwalia.

Sire Brenin Brynawelon	Sire Hendy Brenin	Sire Meiarth Royal Eiddwen
		Dam Lady Welsh Flyer
	Dam Rhystyd Welsh Maid	Sire Brenin Gwalia
		Dam Rhystyd Lady Model
Dam Rhystyd Welsh Maid	Sire Brenin Gwalia	Sire Gwalia Victor
		Dam Cymraes
	Dam Rhystyd Lady Model	Sire Pentre Eiddwen Comet
		Dam Rhystyd Queen