Who was the spiritual advisor to the last French monarch of the House of Valois?
Henry III of France Henry III (19 September 1551 – 2 August 1589; born "Alexandre Édouard de France", Polish: "Henryk Walezy" , Lithuanian: "Henrikas Valua" ) was King of the Polish-Lithuanian Commonwealth from 1573 to 1575 and King of France from 1574 until his death. He was the last French monarch of the House of Valois.
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.