Interrogative pronouns

Interrogative pronouns introduce questions. In the various cases, their forms are as follows:

For persons For things

Nominative
Accusative
Dative
Genitive wer = who
wen = whom
wem = whom
wessen = whose was = what
was (or wo-compound) = what
was (or wo-compound) = what

	For persons	For things
Nominative Accusative Dative Genitive	wer = who wen = whom wem = whom wessen = whose	was = what was (or wo-compound) = what was (or wo-compound) = what

Wer hat das gesagt?
Was hast du gesagt?
Wem hast du das gesagt? Who said that?
What did you say?
To whom did you say that?