mínum

In a sentence

• Hér eru bækurnar sem ég fékk frá vinum mínum.

  Here are the books I received from my friends.

  The word 'mínum' is the possessive form used to indicate ownership by 'my' (first person singular) in relation to the noun 'vinum' (friends), indicating 'my friends' in the dative plural form.

• Björn og Hrafn eru vinir mínum foreldrum.

  Björn and Hrafn are friends to my parents.

  In this sentence, 'mínum' is used in its possessive dative plural form to denote 'to my' in relation to 'foreldrum', which means 'parents', indicating a dative relationship.

• Ég trúi á hæfileika mínum.

  I believe in my abilities.

  Here, 'mínum' refers to possessions ('my' abilities) in the dative plural form as required by the verb 'trúa' (to believe/trust), which governs the dative case for its object.