An early miniature map of Java. The Island of Bali is to the right.

Petrus Bertius was born in Beveren, Flanders, on November 14, 1565. He became the brother-in-law of Pieter van den Keere and Jodocus Hondius, both famous cartographers with whom he collaborated. He settled in Amsterdam and after finishing his studies, he became Professor of mathematics and librarian at the University of Leiden. In 1618 he was appointed cosmographer and historiographer to Louis Xlll of France.

References:

Tooley’s Dictionary of Mapmakers Revised Edition A - D

Atlantes Neerlandici Dr Ir. C. Koeman