. "51258" . . "componist" . "Belder" . "https://www.wikidata.org/entity/Q62107419" . "51258 BELDER, BERT Belder Bert componist https://www.wikidata.org/entity/Q62107419 ne" . "BELDER, BERT" . "Bert" . . "componist" . "ne" . "Belder" . . "51258" . "Bert" . "BELDER, BERT" .