Juste Chanlatte, Comte de Rosier (1766âÂÂ1828) was a Haitian editor, journalist, poet, playwright and a count. He served as secretary to King Henri I of the Kingdom of Haiti with the noble title of Comte de Rosier. Chanlatte was born in Port-au-Prince and educated in France. He wrote for La Gazette du Cap and later was the editor of the official government publication under President Jean-Pierre Boyer, le Télégraphe.