Women don't usually kill themselves that way. Unless they are a Kennedy, in which case they take more violent means and hanging.
By any chance did your g. uncle have a bad temper?
Ha ha, no. He was the mild-mannered, nerdy type. Harmless eccentric as they say.
FWIW, my maternal grandmother jumped in front of a train from the overpass bridge, so some do go out in more dramatic ways. Sadly.