German wann

← English when (cognate)

← Proto-Germanic *hwan (inherited)

← Proto-West Germanic *hwannā (inherited)

← Proto-West Germanic *hwan (mention)

← Old High German wanne (inherited)

→ English when (cognate)

→ Cimbrian ben (mention)

→ Cimbrian benn (mention)

→ Cimbrian bénne (mention)

→ Danish hvornår (mention)

→ German wenn (mention)

→ German werweissen (link)

→ Low German wann (cognate)

→ Low German wannehr (cognate)

→ Dutch wen (cognate)

→ Pennsylvania German wann (cognate)