. "Jacobus Matthe\u00FCs de Kempenaer (6 July 1793, in Amsterdam \u2013 12 February 1870, in Arnhem) was a lawyer and politician in Arnhem, where he served as chairman of the board of commerce, a member of the board of Arnhem and a member of the Provincial States of Gelderland. In the House of Representatives de Kempenaer was considered a liberal, and in 1844 he was among the nine men who initiated the amendment to the Constitution of the Netherlands."@en . "Jacob de Kempenaer"@en . . . "Jacobus Matthe\u00FCs de Kempenaer"@en . "1849-11-01Z"^^ . . . . . . . "1870-02-12Z"^^ . "1793-07-06Z"^^ . "2ndPrime Minister of the Netherlands" . "1848-11-21Z"^^ .