(was my note sorry disconected on this device)

Ground survey : according to info boards (2 differents place)
in fr :
- Josaphat is effectivly the primary name. and Roodenbeek is the secondary (fix alt name) and restore Groot Boerenhol as old name (still indicated as it on 1 info board).

in nl  : 
Josafat (beek) as primary and Rodenbeek as secondary. and old name seam to be also Groot Boerenhol