@prefix ns1: <http://schema.org/> .

<https://id.rijksmuseum.nl/31049357> a ns1:Person ;
    ns1:alternateName "Helder, Wim",
        "Helder, Wim, 1892-1966" ;
    ns1:name "Helder, Wim" ;
    ns1:sameAs <http://www.wikidata.org/entity/Q60233943>,
        <https://rkd.nl/explore/artists/37218> .