Carl Johan Gustaf Swartz was a Swedish right-wing politician who served as Prime Minister of Sweden from March to October 1917. He also served as Minister for Finance from 1906 to 1911. He married Dagmar Lundström in 1886, with whom he had three children, Erik, Brita and Olof.

Norrköping is a city in the province of Östergötland in eastern Sweden and the seat of Norrköping Municipality, Östergötland County, about 160 km southwest of the national capital Stockholm, 40 km east of county seat Linköping and 60 km west of the Södermanland capital of Nyköping. The city has a population of 95,618 inhabitants in 2016, out of a municipal total of 130,050, making it Sweden's tenth largest city and eighth largest municipality.