With David Hein and Irene Sankoff as legit contenders for a Tony for Best Score (perhaps an even greater chance for Best Book and Best New Musical), I'm wondering if there is a precedent for a real-life couple winning a Tony in any of these categories.
My father (AIDS)
My sister (AIDS)
My uncle and my cousin and her best friend (AIDS, AIDS, AIDS)
The gays and the straights
And the white and the spades