Question: How long did the War of the Roses last where Henry Beaufort was an important Lancastrian military commander?
Sentence (from "Thomas de Courtenay, 5th/13th Earl of Devon"): The Earldom was however revived in 1485 for his distant cousin Sir Edward Courtenay, KG, (d. 1509), third in descent from his great-uncle.
Relevant evidence: No