Complex sentence: The district's name originates from a station of the Central Argentine Railway (today part of the Mitre Line) called "km 14," and in 1907, received the name of "Pueyrredón" in honour of the illustrious Brigadier Juan Martín de Pueyrredón.
Split into simpler sentences: The district's name originates from a station of the Central Argentine Railway (today part of the Mitre Line) called "km 14,". In 1907, it received the name of "Pueyrredón" in honour of the illustrious Brigadier Juan Martín de Pueyrredón.