Question: Who was born first out of Cameron Mitchell (Singer) and Léopold De Saussure?

Knowledge 1: Léopold de Saussure
Léopold de Saussure( 30 May 1866 – 30 July 1925) was a Swiss- born French sinologist, pioneering scholar of ancient Chinese astronomy, and officer in the French navy.After a naval career which took him to Indochina, China, and Japan, he left the service and devoted the rest of his life to scholarship.He was most famous for his studies of ancient Chinese astronomy.He was the younger brother of Ferdinand de Saussure, the pioneering linguist and semiotician, and René de Saussure, a Swiss Esperantist and mathematician. [SEP] Knowledge 2: Cameron Mitchell (singer)
Robert Cameron Mitchell( born February 15, 1990), professionally credited as Cameron Mitchell, is an American singer- songwriter from Colleyville, Texas.He is best known for his role on the singing competition" The Glee Project".Mitchell received attention for choosing to leave the competition, then returning to win the Bing Fan Favorite at the end of the season.Mitchell says he has been influenced by John Mayer and especially The Beatles.
Knowledge 1: Léopold de Saussure
Léopold de Saussure( 30 May 1866 – 30 July 1925) was a Swiss- born French sinologist, pioneering scholar of ancient Chinese astronomy, and officer in the French navy.After a naval career which took him to Indochina, China, and Japan, he left the service and devoted the rest of his life to scholarship.He was most famous for his studies of ancient Chinese astronomy.He was the younger brother of Ferdinand de Saussure, the pioneering linguist and semiotician, and René de Saussure, a Swiss Esperantist and mathematician. [SEP] Knowledge 2: René de Saussure
René de Saussure( 17 March1868 – 2 December 1943) was a Swiss Esperantist and professional mathematician( he defended in 1895 a doctoral thesis on a subject in geometry in Geneva), who composed important works about Esperanto and interlinguistics from a linguistic viewpoint.He was born in Geneva, Switzerland.His chef d'oeuvre is an analysis on the logic of word construction in Esperanto," Fundamentaj reguloj de la vortteorio en EsperantoFundamental rules of word theory in Esperanto"), defending the language against several Idist critiques.He developed the concept of" neceso kaj sufiĉonecessity and sufficience") by which he opposed the criticism of Louis Couturat that Esperanto lacks recursion.In 1907, de Saussure proposed the international currency spesmilo.It was used by the Ĉekbanko esperantista and other British and Swiss banks until the First World War.Beginning in 1919, de Saussure proposed a series of Esperanto reforms, and in 1925, he renounced Esperanto in favor of his language Esperanto II.He later became a consultant for the International Auxiliary Language Association, the linguistic research body that standardized and presented Interlingua.He died on 2 December 1943 in Berne, Switzerland.René was the brother of the famous linguist Ferdinand de Saussure and the scholar of ancient Chinese astronomy, Léopold de Saussure.His father was the famous scientist, Henri Louis Frédéric de Saussure.A new silver Esperanto coin for 100 Steloj was struck in 2018 for the 150th birthday of René de Saussure.
Knowledge 1: René de Saussure
René de Saussure( 17 March1868 – 2 December 1943) was a Swiss Esperantist and professional mathematician( he defended in 1895 a doctoral thesis on a subject in geometry in Geneva), who composed important works about Esperanto and interlinguistics from a linguistic viewpoint.He was born in Geneva, Switzerland.His chef d'oeuvre is an analysis on the logic of word construction in Esperanto," Fundamentaj reguloj de la vortteorio en EsperantoFundamental rules of word theory in Esperanto"), defending the language against several Idist critiques.He developed the concept of" neceso kaj sufiĉonecessity and sufficience") by which he opposed the criticism of Louis Couturat that Esperanto lacks recursion.In 1907, de Saussure proposed the international currency spesmilo.It was used by the Ĉekbanko esperantista and other British and Swiss banks until the First World War.Beginning in 1919, de Saussure proposed a series of Esperanto reforms, and in 1925, he renounced Esperanto in favor of his language Esperanto II.He later became a consultant for the International Auxiliary Language Association, the linguistic research body that standardized and presented Interlingua.He died on 2 December 1943 in Berne, Switzerland.René was the brother of the famous linguist Ferdinand de Saussure and the scholar of ancient Chinese astronomy, Léopold de Saussure.His father was the famous scientist, Henri Louis Frédéric de Saussure.A new silver Esperanto coin for 100 Steloj was struck in 2018 for the 150th birthday of René de Saussure. [SEP] Knowledge 2: César-François de Saussure
César- François de Saussure(" bap". 24 June 1705 – 8 March 1783) was a Swiss travel writer.He was baptised in Lausanne, Pays de Vaud, Switzerland, the eldest son of a minister of the Reform Church, François- Louis de Saussure, and his wife, Jeanne- Emilie.After the death of his father in 1724, Saussure went travelling for fifteen years, arriving in London on 24 May 1725.He stayed there until October 1729.He travelled to Turkey and Switzerland before again staying in London from 1738 to 1740.After returning to Switzerland, Saussure wrote down his travelling experiences.These were not published for over a century, when they were edited by two of his descendants.Henri de Saussure( 1708- 1761), a younger brother of César- François de Saussure, emigrated from Lausanne to the English colony of South Carolina about 1730.Between them, the brothers maintained a correspondence for nearly 30 years.Largely unpublished, the surviving letters between César and his brother in America are now in university- affiliated archives in Lausanne and Geneva.

Answer: Léopold De Saussure