"Dutch musician" . . . . . . "1978-12-15Z"^^ . . . . . "Mark Jansen"@en . . . . . "solo_singer" . . "Jansen, Mark"@en . . . . "1978Z"^^ . . "Mark Jansen, (born 15 December 1978 in Reuver, Netherlands), is a Dutch heavy metal musician."@en . . .