Jan Nepomucen Białobłocki (c.1806—31 March 1828, Sokołowo, Golub-Dobrzyń) was a childhood friend and correspondent of Polish composer Frédéric Chopin.
[1] Born into an aristocratic family, Białobłocki began in 1816 to study at the Warsaw Lyceum, where one of his teachers was Nicolas Chopin, the composer's father; Białobłocki lodged with the Chopin family.
In 1823 Białobłocki commenced studies at Warsaw University.
He became a close friend of Frédéric, who addressed numerous letters to him, using Białobłocki's nickname, Jasio.
[2][1] In 1828 Białobłocki died of tuberculosis of the bone,[3] unmarried, at his family estate of Sokołowo.