Question: During what years was the English Royal House, that was at one point ruled by King Henry VII, in reign? 
Sentence (from "Hugh Courtenay (died 1425)"): He was the link between the senior line of the Courtenay Earls of Devon made extinct following the Battle of Tewkesbury in 1471 (his elder brother's line) and the post-Wars of the Roses creation of a new Earldom for his grandson made in 1485 by King Henry VII.
Relevant evidence: No