What is the main church in the town in which Grethe Mathiesen was born?
Grethe Mathiesen Grethe Mathiesen (born 10 April 1956) is a Norwegian swimmer. She was born in Kirkenes. She competed at the 1972 Summer Olympics in Munich, in the women's 100 metre freestyle.
Nienburg, Lower Saxony Nienburg (official name: "Nienburg/Weser") (Low German: "Nienborg", "Neenborg" or "Negenborg") is a town and capital of the district Nienburg, in Lower Saxony, Germany.