Person Dionis du Sejour; Achille Pierre (1734 - 1794) Dionis du Sejour Achille Pierre Achille Pierre Dionis du Sejour 1734 - 1794 French Male Paris, France 11 January 1734 Vernou, near Fontainebleau, France 22 August 1794

Astronomy Mathematics Demography Fellow 01/06/1775 Sources: Bulloch's Roll; DSB International Standard Archival Authority Record for Corporate Bodies, Persons and Families - ISAAR(CPF) - Ottawa 1996 ISBN 0-9696035-3-3 National Council on Archives, Rules for the Construction of Personal, Place and Corporate Names, 1997 Anglo American Cataloguing Rules (second edition) rules for double barrelled and compound surnames 11 Jan 1734 - 22 Aug 1794 NA7211 21/11/2001 Andyg Pmab 28/03/2023 RS_NET\JonathanB Yes 508caa12-b594-4a81-aef1-4ef877adcfb0