I have these old windows. I am unsure if they are even official lego.
LEGO logo is visible inside hollow studs on genuine parts. While it is hard to identify if pictured items are genuine LEGO parts, such elements have been produced as LEGO:
Window 1 x 3 x 2 could be either one of these.
Window 1 x 1 x 2 could be in two versions: with integrated glass (single piece) or with glass that can be attached (two pieces together).
Without a closer inspection I can't say if yours are genuine, but LEGO has made windows that look like that. Several (most?) variants (including all of yours) can be found in e.g. Ten Windows and Doors, White