| Homepages of PRO-GEN users |
| J |
| 337. | Chris JACOBS | Groenlo | |
| 338. | L.J.M. JACOBS | Hazerswoude-dorp | |
| 339. | René Maurice JAMMART | Halle (B) | |
| 340. | Bernd Josef JANSEN | Münster (D) | |
| 341. | Walther JANSEN | Berkel Enschot | |
| 342. | Jacqueline JANSEN-van der WAALS | Vlissingen | |
| 343. | J.C.W.M. JANSMA Genootschap Auke Jans | Vught | |
| 344. | Henk JANSSEN | Venray | |
| 345. | Sjef JETTEN | Gulpen | |
| 346. | Heinz JONAS | Wissen (D) | |
| 347. | F.J.H. JONGBLOETS | Sint-Oedenrode | |
| 348. | A. de JONGE | Emmen | |
| 349. | A.K. de JONGE | Colijnsplaat | |
| 350. | Martinus JONGSMA | Surhuisterveen | |
| 351. | Carla JONKERS | Purmerend | |
| 352. | Pieter Ch. JOON | Haarlem | |
| 353. | Bob JOOSTEN | Hasselt (B) | |
| 354. | Henk JOOSTEN | Babberich | |
| 355. | P. JORNA | Zeist | |
| 356. | Jan JOUSMA | Vollenhove | |
| 357. | W.J.C. JUFFER | Emmen | |
| 358. | Fred JURRJENS | Ugchelen |
