What is Juan Manuel del Mar?
{{family name hatnote|del Mar|Bernedo|lang=Spanish}} {{Infobox Officeholder | name = Juan Manuel del Mar | image = Juan_Manuel_del_Mar.JPG | office = 4th [[Vice President of Peru]] | president = [[Ramón Castilla]] | term_start = October 24, 1858 | term_end = June 16, 1862 | predecessor = Office reestablished <small>(Last held by [[Antonio Gutiérrez de la Fuente]] in 1831)</small> | successor = ''Vacant'' <small>([[Juan Antonio Pezet]] and [[Pedro Diez Canseco]] elected in October 1862)</small> | office1 = 1st [[President of the Council of Ministers of Peru | Prime Minister of Peru]] | term_start1 = December 1856 | term_end1 = 1857 | president1 = [[Ramón Castilla]] | predecessor1 = Office established | successor1 = [[José María Raygada y Gallo]] | office3 = [[Ministry of the Interior (Peru)|Minister of Government, Worship and Public Works]] | president3 = [[Ramón Castilla]] | term_start3 = April 1, 1857 | term_end3 = July 13, 1858 | predecessor3 = Ignacio de Osma | successor3 = Manuel Morales | office4 = [[Ministry of the Interior (Peru)|Minister of Government, Justice and Worship]] | president4 = [[Ramón Castilla]] | term_start4 = December 1855 | term_end4 = October 24, 1856 | predecessor4 = Manuel Toribio Ureta | successor4 = Jervasio Alvarez y Montaño | office6 = [[Congress of the Republic of Peru|Senator]] from [[Cusco]] | term_start6 = 1845 | term_end6 = 1846 | office9 = [[Congress of the Republic of Peru|Member of the Chamber of Deputies]] | constituency9 = [[Paucartambo Province|Paucartambo]], [[Cusco]] | term_start9 = July 29, 1832 | term_end9 = December 22, 1832 | birth_date = {{birth date|1805|12|29}} | birth_place = [[Lima]], [[Viceroyalty of Peru]] | death_date