Question: Which country Tegwared Y Bais Wen's father is from?
Sentence (from "Tegwared y Bais Wen"): Wen ap Llywelyn( English: Tegwared with the White Mantle/ Escutcheon, son of Llewelyn), Lord of Trefdraeth was a natural son of Llywelyn the Great, Prince of Aberffraw, by a woman in some sources given as Crysten.
Relevant evidence: Yes