From Japanese-German FreeDict Dictionary ver. 0.2.0:
[ichi1] [news1] [nf02] 何 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, [ichi1] [news1] [nf02] なに /nˈäni/, [ichi1] なん /nˈäɴ/
(pronoun)
(nouns which may take the genitive case particle `no')
(1) welcher, welche, welches, (2) etwas, (3) was?, wie?, wie bitte?, (1) was, welcher, (2) wie viel