It wasn’t broken all the way through, by putting the back in the leg vise I was able to gently bend the leg, open up the crack and force glue into the crack with my finger.
Because of the twist, I was able to drill through the crack and add a dowel to reinforce the leg. If the crack had been with the grain instead of across it I would not have added the dowel.
Next I trimmed and cleaned up the repair.
One of these days I should probably clean my shellac brush.
With a coat of shellac.
I got one of these ratcheting strap clamps for Christmas one year, after using it a few times I ordered three more. They are very handy for gluing chairs.