glp_person: Martijn Johanna Franciscus (Martijn) van Helvert
person_firstname: Martijn Johanna Franciscus (Martijn)
person_lastname: van Helvert
person_birthplace: Sittard
person_occupation_all: Self-employed: small businessman|Education: school teacher|Full-time politician (paid by party organisation, parliament, government; think tanks; living of politics)