Louis the Pious: Did you mean...?

A 1767 oil on canvas portrait by Louis-Michel van Loo of the French author and philosopher Diderot (1713-1784). (Louvre Museum, Paris)

Restored studio portrait of Louis Pasteur (1822-1895), photographed by Paul Nadar.

Bust of Louis Antoine de Saint-Just by French sculptor David d'Angers, 1848. David d'Angers Gallery, Angers, France. Photo credits to Wikipedia user Selbymay, 2011.

A 15th century CE painting depicting the death of French king Louis IX in 1270 CE during the Eighth Crusade at Tunis.

Louis XIII of France (1601-1643), oil on canvas portrait by Philippe de Champaigne, 1635. Museo del Prado, Madrid.

Created in Tours, France, sometime between 1245-1248 CE, this stained glass panel depicts King Louis IX (r. 1226-1270 CE) carrying the crown of thorns. Measures 55 x 35 cm. (Metropolitan Museum of Art, New...

Battle of Poltava 1709, oil on canvas by Louis Caravaque. A painting depicting the decisive Russian victory at Poltava in 1709.

A 19th century CE illustration by Gustav Doré showing the French king Louis IX (r. 1226-1270 CE) and his capture by the army of the Ayyubid Empire during the Seventh Crusade (1248-1254 CE).

Louis Philippe II, Duke of Orléans, also known as Philippe Égalité (1747-1793), oil on canvas portrait by Antoine-François Callet, c. late 18th century. Palace of Versailles.

Portrait of Louis Philippe II, Duke of Orléans (1747-1793) with the insignia of the Grand Orient of France. Oil on canvas portrait by Michel Garnier, 1781. Condé Museum, Chantilly.