Simplify the following text for a Grade 9 native English-speaking person.
Original: In 1618 , Dutch East India Company captain Lenaert Jacobszoon and supercargo Willem Janszoon of the Mauritius landed in the area .
Simplified: In 1618 , Dutch East India Company captain Lenaert Jacobszoon and Willem Janszoon from the boat Mauritius landed in the area .