Translation of partial Dutch part:

It is the criminal records, employment contracts and passports of all accredited parliamentary assistants (or, in other words, all assistants to more than 700 MEPs) of the European Parliament. Those assistants (and former assistants) were already warned about this in May, and yesterday they received info about where 'external parties' all have had 'access' to. And so it turns out: quite a lot. “Identity card or passport, Extract of criminal records, Civil status certificates, Certificates and other documents to determine the residence or domicile, Education or experience supporting documents, Military obligations certificate, Declaration of honor documents made by data subject, Documents to establish the individual entitlements, Contract and additional administrative documents.”

(Emphasis added)