1764-1825.
Surveyor. In 1794, engineer attached to the General Survey office.
[Sveriges sjökartor – A. Hedin]
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.
Se GERRITSZ.
Tooley.
Ingermanlandiae – Homanns Erben 1734
Ukraina, Krim. - Blaeu 1643/44.