The presumption from the question is that you have just lost your brother, and she has just lost her husband. We are sorry for your loss. One thing to say at times like this, that would be appropriate under just about any circumstances, is "I'm so sorry for your loss". After that, the conversation will just follow its natural course. After all, you must know each other at least to some extent.
If you like. You have no blood relation.
Yes, it can be depending on how it is used. For example, if you say "I am going to telephone my friend" it is a verb but if you say "Answer the telephone" then it is a noun.
The cast of The Three Brothers - 1915 includes: Cora Drew as The Widow Gaudet
"telephone" is "telefono" in Italian.
Hansel and Gretel, by the Brothers Grimm.
"Est-ce que elle a un telephone?"
brothers = Brüder brothers = Gebrüder
Pico de viuda.
don't no
what you say
telefon
telefon