EntityQ1387082· pop 7· linked from 6 articlesJean ErrardSign in to saveFrench mathematician (1554–1610)ConnectionsInternational Standard Book NumberEntityHeidelbergEntityCalaisEntityAmiensEntityAntibesEntityHenry IV of FranceEntityLaonEntityBayonneEntityBeauvaisEntityAbbevilleEntityHeidelberg UniversityEntitySaint-TropezEntityBar-le-DucEntityMontreuil-sur-MerEntitySisteronEntitySébastien Le Prestre de VaubanEntityElectoral PalatinateEntityDoullensEntityDuchy of LorraineEntityDuchy of BarEntityCategories1550s births1610 deaths16th-century engineers from the Holy Roman Empire16th-century French mathematicians16th-century French military engineers17th-century French military engineersBiography articles needing translation from French WikipediaHeidelberg University alumniPeople from Bar-le-DucPeople from the duchy of Lorraine