"1915" . "Ernest" . "PARKER, WILLY" . . "1915-08-14" . "ne" . "LEDUC, ERNEST" . "componist" . "JANSSEN, FRITS" . "TERRINA, M." . "LEDUC, ERNEST" . "Leduc" . . "Janssen, Frederik" . "LEDUC, ERNEST" . "51046" . "https://www.wikidata.org/entity/Q727" .