Nor from her knowledge aught will hide.'

At the last scene the king is again near the river, on his
judgment throne, whence he watches the mustering of the
troops which are to accompany him to the war, and makes a
patriotic speech, to which they gladly respond. Suddenly,
however, the four men appear with the corpse of Frederick of
Telramund, which they lay at the king's feet, declaring they
are obeying the orders of the new lord of Brabant, who will
soon come to explain all. Before the king can question further,
Elsa appears, pale and drooping, in spite of her bridal array,
and just as the king is rallying her at wearing so mournful an
expression when her bridegroom is only leaving her for a short
time to lead his troops to the fray, the Swan Knight appears,
and is enthusiastically welcomed by his men. Sadly he informs
them he can no longer lead them on to victory, and declares
that he slew Frederick of Telramund in self-defence, a crime
for which he is unanimously acquitted.

Then he sadly goes on to relate that Elsa has already broken
her promise, and asked the fatal question concerning his name
and origin. Proudly he tells them that he has no cause to be
ashamed of his lineage, as he is Lohengrin, son of Parsifal,
the guardian of the Holy Grail, sent from the temple on Mount
Salvatch to save and defend Elsa. The only magic he had used was
the power with which the Holy Grail endowed all its defenders,
and which never forsook them until they revealed their name:--

'He whom the Grail to be its servant chooses
Is armed henceforth by high invincible might;