Coenraad van Beuningen
Coenraad van Beuningen (1622 – 26 October 1693) was the Dutch Republic's most experienced diplomat, burgomaster of Amsterdam in 1669, 1672, 1680, 1681, 1683 and 1684, and from 1681 a Dutch East India Company director. He probably was bipolar, becoming unstable after the loss of his fortune in 1688.