Career
Le Sueur was at Caen (Normandy). He traveled widely in his youth. Upon returning to his homeland at the age of twenty-six, he was appointed a counselor at the Parliament of Normandy, a position which, according to the testimony of Pierre-Daniel Huet, he held with great integrity.
A poet and a scholar, Le Sueur cultivated Latin poetry with some success, and he was among the distinguished people who composed the Académie des Sciences, Arts et Belles-Lettres de Caen at the time of its founding.
Antoine Halley devoted seven lines of his poem, Cadomus to him (Opuscula, p 17). Le Sueur responded in kind, sending in an elegy which was included in the same collection (p 442).
Le Sueur wrote, according to Huet, easy and clever verses. None have been printed.
The introductory parts of Geographiæ sacræ pars prior (Phaleg, de South Bochart, Cadomi, 1646) incorporate some of his Latin verses.