Neutral Moresnet
Arnold Timothée Albert Francois Joseph de Lasaulx (21 January 1774 – 18 July 1863) was a Belgian politician who served as the first Mayor of Neutral Moresnet from 1817 until 1859. Having served for more than 41 years, he was Neutral Moresnet's longest-serving mayor, having served for nearly half of the territory's existence.