If you like Jan-Willem, here are 15 jongens' names with a similar sound, length, or popularity era — ranked by how close they are. Data range: 1935–2017.
1,260 total · rare today
396 total · rare today
680 total · rare today
2,127 total · rare today
1,922 total · rare today
967 total · rare today
3,323 total · rare today
708 total · rare today
463 total · rare today
135 total · rare today
42 total · #76 in 2017
4,864 total · rare today
6,349 total · rare today
107,156 total · rare today
2,548 total · rare today