While on such a trip , in 1608 he obtained a doctorate of Law in Orleans .
For ten years he was the tutor to the children of Johan van Oldenbarneveld , accompanying the family on Oldenbarnevelt 's diplomatic missions to many of the courts of Europe .
While on such a trip , in 1608 tutor obtained a doctorate of Law in Orleans .
For ten years he was the tutor to the children of Johan van Oldenbarneveld , accompanying the family on Oldenbarnevelt 's diplomatic missions to many of the courts of Europe .