| human | Q5 |
| P651 | Biografisch Portaal van Nederland ID | 32007607 |
| P2671 | Google Knowledge Graph ID | /g/1230d0ml |
| P213 | ISNI | 0000000033810852 |
| P244 | Library of Congress authority ID | n2002102413 |
| P1006 | Nationale Thesaurus voor Auteursnamen ID | 071662227 |
| P1749 | Parlement.com ID | vg09llmtj8vh |
| vg09llmtj8vh | ||
| P214 | VIAF ID | 53514637 |
| P10832 | WorldCat Entities ID | E39PBJp9xKvbkPjCJXTkHDPWjC |
| P27 | country of citizenship | Kingdom of the Netherlands | Q29999 |
| P734 | family name | Veldhuizen | Q37573254 |
| Veldhuizen | Q37573254 | ||
| Veldhuizen | Q37573254 | ||
| P735 | given name | Jan | Q12173670 |
| Jan | Q12173670 | ||
| P102 | member of political party | Democrats 66 | Q747910 |
| P106 | occupation | politician | Q82955 |
| P39 | position held | member of the House of Representatives of the Netherlands | Q18887908 |
| P21 | sex or gender | male | Q6581097 |