The card tray has the following 15 family names with the initial J.

Jager, de (2)
Jakobs
Jansen (17)
Janssen (2)
Janszen
Jensen
Jong, de (23)
Jonge, de
Jongejan
Jongh, de (5)
Jonker (15)
Jonkers (12)
Joode, de (8)
Juin (11)
Juta