As with many of the medieval Schoolmen, little is known of the early life of John Duns, the Scot (or Scotus), a theologian and philosopher. From the record of his ordination to the priesthood by Bishop Oliver Sutton at Northampton on March 17, 1291, it is inferred that he was born early in 1266. Rival traditions, neither of which can be traced to medieval sources, link him with each of the two main branches of the Duns family in Scotland. According to one account, he was the son of Ninian Duns, a landowner who lived near Maxton in Roxburghshire, received his early schooling at Haddington, and in 1277 entered the Franciscan convent at Dumfries, where his uncle was guardian. Another popular tradition, however, states that his father was the younger son of the Duns of Grueldykes, whose estate was near the present village of...