whose
deren is a German pronoun that means 'whose' or 'of whom'. It is used to indicate possession or ownership.
pronoun
Meaning: whose
Ich habe einen Freund, deren Hund sehr süß ist.
I have a friend whose dog is very cute.
Meaning: of which
Sie hat ein Buch gelesen, deren Autorin sie bewundert.
She has read a book of which she admires the author.
Meaning: their
Die Kinder haben ihre Hausaufgaben gemacht, deren Ergebnisse gut waren.
The children have done their homework, the results of which were good.
A1: Ich habe das Buch gelesen, deren Titel mir gefallen hat.
I have read the book, whose title I liked.
A1: Das ist das Haus, deren Fenster kaputt sind.
That is the house, whose windows are broken.
A1: Die Kinder haben ihre Spielsachen verloren, deren Farben sie mochten.
The children lost their toys, whose colors they liked.
B1: Der Lehrer hat den Schülern ihre Aufgaben gegeben, deren Schwierigkeitsgrad unterschiedlich war.
The teacher gave the students their assignments, which had different levels of difficulty.
B1: Sie hat die Fotos in einem Album gesammelt, deren Motive sie besonders ansprachen.
She collected the photos in an album, whose motifs appealed to her particularly.
B1: Wir haben uns von unseren Freunden verabschiedet, deren Abreise bevorstand.
We said goodbye to our friends, whose departure was imminent.
C1: Die Firma hat Mitarbeiter eingestellt, deren Qualifikationen sehr hoch waren.
The company hired employees whose qualifications were very high.
C1: Er hat ein Auto gekauft, deren Marke er schon immer haben wollte.
He bought a car whose brand he always wanted to have.
C1: Die Politiker haben Entscheidungen getroffen, deren Auswirkungen weitreichend sein werden.
The politicians made decisions whose consequences will be far-reaching.
In German, the pronoun deren is used to refer to people or things in the genitive case. It is equivalent to the English pronouns 'whose' or 'of whom'.
Deren is often used when talking about possession or ownership. For example, 'Das ist das Buch, deren Autor ich bewundere' translates to 'That is the book whose author I admire'.
It's important to note that the form of deren changes depending on the gender and number of the noun it refers to. For masculine singular nouns, the form is dessen; for feminine singular and plural nouns, it is deren; and for neuter singular and plural nouns, it is dessen.