Old High German triuwa

← Old English trēow (cognate)

← Old English trūwa (cognate)

← Proto-Germanic *trewwō (inherited)

← Proto-West Germanic *treuwu (inherited)

← Gothic triggwa (cognate)

← Old Norse trú (cognate)

← Old Saxon treuwa (cognate)

→ Old English treow (cognate)

→ German Treue (inherited)

→ Luxembourgish Trei (inherited)