Willem van der Haegen

Willem van der Haegen
Guilherme da Silveira
The coat of arms used by the Silveira Family, descendants of Willem.
Personal details
Born1430
Died1507/9
Resting placeSolar dos Tiagos
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D. Willem van der Haegen (1430; County of Flanders – 21 December 1507/9; São Jorge, Azores), or Willem De Kersemakere, known in Portuguese as Guilherme da Silveira, or Guilherme Casmaca, was a Flemish-born Azorean entrepreneur, explorer, and colonizer. He was a pioneer colonizer in Azorean history and his descendants formed part of the original Azorean nobility.