191705
The text concludes with a final line on the parentage of Huallu , son of Tudfwlch Cor ( n ) eu ( prince of Cornwall ) and Dywanw , daughter of Amlawd Wledic .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None