"Valckenburgh, Jan"@en . . "Jan Valckenburgh"@en . "1667Z"^^ . "Dutch merchant and politician" . . . . . "1667-07-08Z"^^ . "Jan Valckenburgh (1623 \u2013 8 July 1667) was a civil servant of the Dutch West India Company. Valckenburgh began as a simple assistant-trader, but managed to make career up to one of the highest ranks, that of Director-General of the Dutch Gold Coast, twice."@en . . "1623Z"^^ . "Director-General of the Dutch Gold Coast" . . . . .