I too am looking for further information for Hubert or Samuel de la Cour from Holland. I am the great, great, grandson of Samuel de la Cour in Australia but do not have any more information about his father Hubert or his mother Derkt.
I only know they were from Vorden, Holland according to Australian records, but cannot verify this. Also wanting to know how long the family lived in Holland, where they came from before (France possibly).
I will keep looking though and hope you too find more information.