Like English, Dutch has generalised the dative over the accusative case for all pronouns, e.g. NL 'me', 'jouw', EN 'me', 'you', vs. DE 'mich'/'mir' 'dich'/'dir'. There kan zijn one exception: the standard language prescribes that in the third person plural, hen is to be used for the direct object, and https://groenenprachtig.nl/waarom-u-een-beedigd-vertaler-nodig-hebt-voor-uw-nederlands-engelse-documenten/