. . . "Fridtjof"@en . . . "1959-06-21" . "Grøndahl" . "1885-10-15" . . . "Backer-Grondahl" . . "Fridtjof Backer-Grondahl" . "Баккер-Грёндаль, Фритьоф" . "Fridtjof Backer- Grøndahl" . "http://www.wikidata.org/entity/Q6581097" . . "Fridtjof Backer-Grøndahl"@en . "Fridtjof Backer-" . "Backer-Grøndahl"@en .