I learned of this just now...

Oh, Robert, my heart aches for you!
I've lost both parents, a couple of siblings, and several close friends; but never the one person in my life that is as close to me as I'm sure your wife was to you, Robert. The only advice I can offer comes from others who've gone through a tragedy like this; do nothing initially. By that I mean don't make any drastic changes suddenly; give yourself and your family some time to absorb what's happened, to grieve, and accept it (usually a year from what I've been told). Then begin to rebuild your lives.
You and your family are in our prayers.