Sir Roland de Velville was thought to be an illegitimate son of King Henry VII of England

Henry VII of England

Henry VII was King of England and Lord of Ireland from his seizing the crown on 22 August 1485 until his death on 21 April 1509, as the first monarch of the House of Tudor....

 by "a Breton

Breton people

The Bretons are an ethnic group located in the region of Brittany in France. They trace much of their heritage to groups of Brythonic speakers who emigrated from southwestern Great Britain in waves from the 3rd to 6th century into the Armorican peninsula, subsequently named Brittany after them.The...

 lady".
In 1509, he was appointed Constable of Beaumaris Castle

Beaumaris Castle

Beaumaris Castle, located in the town of the same name on the Isle of Anglesey in Wales, was built as part of King Edward I's campaign to conquer the north of Wales. It was designed by James of St. George and was begun in 1295, but never completed...

 in Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

, a position he held till his death. He was knighted in 1497

By his wife born Agnes Griffith, he had a daughter, Jane Velville, who became the wife of Tudor ap Robert Vychan. Jane Velville and her husband in turn were the parents of Katherine of Berain, commonly referred to as 'the mother of Wales'.