Namesakes
Notable Writers:
1 author/poet
Prudens van Duyse (a.k.a. Joannes) 1804-1859 
Saints:
3 saints
Saint Joannes of Cologne ?-1572
Saint Joannes van Oisterwijk ?-1572
Saint Charles of Mount Argus (a.k.a. Joannes) 1821-1893