Surveyor on Gotland island.
Sveriges sjökartor – A. Hedin." "10128
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." "10196
Karta öfver Stockholm. - 1904.
'Gotland.' - Stockholm 1884.
Påven Paulus III:s tillståndsbevis för Olaus Magnus: