name the office holder with associate as pieter kooijmans and has a kid named princess laurentien of the netherlands ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_associate dbr_Pieter_Kooijmans sep_dot var_uri dbo_child dbr_Princess_Laurentien_of_the_Netherlands sep_dot var_uri a dbo_OfficeHolder brack_close