To help remember the dative prepositions, sing them to the first two lines of the Christmas carol Good King Wenceslas. Remember that King Wenceslas first set out on the ‘date’ (= dative ...
In the dative case the personal pronouns are: Sie hat ihm ein Andenken von Berlin geschenkt. – She gave (to) him a souvenir from Berlin. She is giving a souvenir to him, so 'to him' is the ...