Started a trading post/store in Ålabodarna, and later on the island Hven, Husvik.
However, he arranged to have Karen endowed with the island of Hven (then a part of Denmark, but now, with the name of Ven, a part of Sweden, in the Øresund) and an annual pension.
Uraniborg (or Uranienborg), the astronomical/astrological observatory of Tycho Brahe on the island of Hven.