Lohengrin (opera)
The action takes place in the courtyard outside the cathedral.  It is night.  Telramund and Ortrud have been told to go away.  Ortrud is a heathen witch, the daughter of Radbod, the Duke of Frisia.  She tries to make Telramund brave again.  She is going to persuade Elsa to ask the unknown knight what is name is.