Louis was the Lord of Piedmont

Lord of Piedmont

The lordship, later principality of Piedmont was originally an appanage of the Savoyard county and as such its lords were members of the Savoy-Achaea branch of that illustrious house. The title was inherited by the elder branch of the dynasty in 1418, at about which time Savoy was elevated to...

 and titular Prince of Achaea

Principality of Achaea

The Principality of Achaea or of the Morea was one of the three vassal states of the Latin Empire which replaced the Byzantine Empire after the capture of Constantinople during the Fourth Crusade. It became a vassal of the Kingdom of Thessalonica, along with the Duchy of Athens, until Thessalonica...

 from 1402. He was a son of James of Piedmont

James of Piedmont

James was the Lord of Piedmont from 1334 to his death. He was the eldest son of Philip I and Catherine de la Tour du Pin. While his father had abandoned his claim to the Principality of Achaea in 1307, James continued to use the princely title and even passed it on to his successors.James opposed...

 and Marguerite de Beaujeu (1346–1402).

In 1405, he founded the University of Turin

University of Turin

The University of Turin is a university in the city of Turin in the Piedmont region of north-western Italy...

. On 24 January 1403, he married Bona (1388–1432), daughter of Amadeus VII, Count of Savoy

Amadeus VII, Count of Savoy

Amadeus VII , surnamed the Red Count, was Count of Savoy from 1383 to 1391.He married Bonne of Berry, daughter of John, Duke of Berry who was the younger brother of Charles V of France. They had three children: Amedeo VIII;Bonne Amadeus VII (1360, Avigliana, Piedmont – November 1, 1391),...

, but they never had any children. When he died in 1418, the Piedmont-Achaea cadet branch of the House of Savoy

House of Savoy

The House of Savoy was formed in the early 11th century in the historical Savoy region. Through gradual expansion, it grew from ruling a small county in that region to eventually rule the Kingdom of Italy from 1861 until the end of World War II, king of Croatia and King of Armenia...

 died with him. His titles and estates were inherited by his brother-in-law Amadeus VIII, Count of Savoy

Antipope Felix V

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, who later became Duke of Savoy

Duchy of Savoy

From 1416 to 1847, the House of Savoy ruled the eponymous Duchy of Savoy . The Duchy was a state in the northern part of the Italian Peninsula, with some territories that are now in France. It was a continuation of the County of Savoy...

 and Antipope

Antipope

An antipope is a person who opposes a legitimately elected or sitting Pope and makes a significantly accepted competing claim to be the Pope, the Bishop of Rome and leader of the Roman Catholic Church. At times between the 3rd and mid-15th century, antipopes were typically those supported by a...

.