Complex sentence: Johan Axel Gustaf Törneman was born on 28 October 1880 in Persberg, Värmland Sweden, the son of John Algot Törneman, an engineer at an explosives factory; his grandmother was the cookbook author Gustafva Bjorklund.
Split into simpler sentences: Johan Axel Gustaf Törneman was born on 28 October 1880 in Persberg, Värmland, in Sweden. He was the son of John Algot Törneman, an engineer at an explosives factory; his grandmother was the cookbook author Gustafva Bjorklund.