1588-1664.
In 1612, married one of cartographer Jodocus Hondius's daughters and began working as a publisher in Amsterdam. From 1616 until his death, Janssonius published numerous maps of various parts of Europe. From the 1630s, he worked in partnership with his brother-in-law Henricus Hondius.
Sveriges sjökartor – A. Hedin.
Ca. 1795.
Fransk 'citoyen' och 'professor', medlem av flera litterära sällskap. Inga övriga upplysningar hittade.
1774-1836.
Appointed engineer at the Survey Office in 1801, but was not eligible for salary until a permanent position became vacant. In 1809 was commissioned lieutenant at the marine measurement corps and made supervisor at the Sea Charts Office. Known for his skill and great modesty.
Sveriges sjökartor – A. Hedin.
Amiral Häggs flaggkarta. - Stockholm 1888.
Strom-Systeme der Neüen Welt. - Berghaus, 1800-talets mitt.