Louis de France , also known as Louis III, Duke of Orlans was the second son and fourth child of Henry II , King of France and his wife, Catherine de Medici, daughter of Lorenzo II de Medici, Duke of Urbino and his wife Madeleine de La Tour dAuvergne. He died aged eleven months.
After their marriage, Henry and Catherine waited several years before having children. Various remedies were not effective until they, at least according to the voices of the court, turned to the court physician Fernel. In a matter of twelve years , Catherine gave birth to ten children. Louis was born onFebruary 1549 at the Palace of Fontainebleau, as the second son and fourth child of Henry II of France and his Queen Consort, Catherine de Medici, a member of the House of Medici. He was second in line to the throne, as his older sisters could not inherit under Salic law. Since birth, he was entrusted with the duchy of Orlans. Just like his older brother, he was given into the care of Diane de Poitiers, his fathers possible mistress and reportedly shared the same nursery with his brother and sister, Francis and Elisabeth and later, his brother Charles. He was present when Mary, Queen of Scots arrived at Henrys court. She had come to marry Francis, the future King of France and King c
Source: Wikipedia