He was born in the year 1356 in Seton, East Lothian, Scotland.
He died on August 17, 1424 in Duché de Normandie (Present région Haute-Normandie), France (Killed in action during the Battle of Verneuil, part of the 100 Years' War), he was 68 years old.
August 17 » Hundred Years' War: Battle of Verneuil: An English force under John, Duke of Bedford defeats a larger French army under Jean II, Duke of Alençon, John Stewart, and Earl Archibald of Douglas.
When copying data from this family tree, please include a reference to the origin: Scott Jeffrey, "Jeffro Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/jeffro-family-tree/I322420154583.php : accessed May 6, 2025), "Sir William of Seton Seton (1356-1424)".
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