Possessivpronomen

ihren

Translation

her, their, your (formal)

Sie liebt ihren Hund.

She loves her dog.

Die Eltern lieben ihren Sohn.

The parents love their son.

Ich habe Ihren Brief erhalten.

I have received your letter (formal).

Er spricht mit ihren Eltern.

He is speaking with her/their parents.

((Possessive Pronoun)) + ((Noun, masculine, accusative)) her/their/your (formal) ... He is visiting her brother.

((Possessive Pronoun)) + ((Noun, plural, dative)) to her/their/your (formal) ... We are helping their friends.

((Possessive Pronoun)) + ((Noun, plural, accusative)) her/their/your (formal) ... She knows their colleagues.

sein(en) (his), mein(en) (my), dein(en) (your, informal)

From Old High German 'iro', genitive plural of the third-person pronoun.

The '-en' ending is key for masculine accusative and plural dative. Link it to the definite article 'den'.