Agathe Backer Grøndahl Norwegian pianist and composer (1847–1907) (1847–1907) Parents Niels Backer Children Fridtjof Backer-Grøndahl Nils Backer-Grøndahl Anders Backer Grøndahl Siblings Margrethe Welhaven Harriet Backer Inga Lunde Partners Olaus Andreas Grøndahl
