Discovery of grave may solve mystery death of Henry VIII's brother at 15. Arthur Tudor died of consumption (tuberculosis as it … A more than slightly random way of getting some rather basic and obviously "searchable" information. How old was Prince Arthur when he died? In 1456, Henry's father Edmund Tudor was captured while fighting for Henry VI in South Wales against the Yorkists.He died in Carmarthen Castle, three months before Henry was born.Henry's uncle Jasper Tudor, the Earl of Pembroke and Edmund's younger brother, undertook to protect the young widow, who was 13 years old when she gave birth to Henry. Arthur was the eldest son of King Henry VII of England and Wales, and Elizabeth of York. How old was Prince Arthur when he died? Arthur Tudor, Prince of Wales was the first son of King Henry VII of England and Elizabeth of York, and therefore, heir to the throne of England. As he predeceased his father, Arthur never became king. He was named after the legendary King Arthur of the Round Table, but is reputed to have been a sickly child. At Henry VII's death, the throne passed to Arthur's younger brother, who became King Henry VIII. Arthur, Prince of Wales - Biography. Wiki User December 28, 2009 1:57AM. Prince Arthur died six months later from "sweating sickness" and was buried in ... Arthur Tudor… Answer. Born, September, 1486, died, April, 1502, and therefore 15 years of age. Arthur Tudor died of consumption (tuberculosis as it was then known) at the age of 15. By my watch, 45 seconds to get the answer using google, and three times as long to type this, correcting errors as i go along. Asked in History of England, Monarchy