The Abbey of Saint-Étienne was founded by a descendant of who?
Abbey of Saint-Étienne, Caen The Abbey of Saint-Étienne, also known as Abbaye aux Hommes ("Men's Abbey") by contrast with the Abbaye aux Dames ("Ladies' Abbey"), is a former Benedictine monastery in the French city of Caen, Normandy, dedicated to Saint Stephen. It was founded in 1063 by William the Conqueror and is one of the most important Romanesque buildings in Normandy.
Louis IX of France Louis IX (25 April 1214 – 25 August 1270), commonly known as Saint Louis, was King of France and a canonized saint. Louis was crowned in Reims at the age of 12, following the death of his father Louis VIII the Lion, although his mother, Blanche of Castile, ruled the kingdom until he reached maturity. During Louis's childhood, Blanche dealt with the opposition of rebellious vassals and put an end to the Albigensian crusade which had started 20 years earlier.