I would NOT write any email right now. First envision the life you want for yourself. Envision the relationships you would like with all your family members. If, like me, you wish for a loving relationship with them all, then act in a loving way toward them all. This will pay off down the road, years from now.
What they do with that love is up to them, right?
I decided to leave town after my dfing. Months later I wrote to those I love that I missed them and was sorry for all the pain I created by walking away from the religion. I actually allowed them to encourage me. I even attended the hall for a while in my new town and told them so, but that did not last long as "the bird was out of the cage" so to speak, and was not going back. i write every now and then and once a year I visit secretively. I also got a job locally and a few former JW friends come in and say hi. I also see them at restaurants and we exchange smiles. Some even pat my shoulder upon leaving the restaurant.
So I recommend visualizing a healing over the years and an adjusting. Also I have been immensely helped by this website and making new friends in the world. Understand that your relatives do not want to give up their standing in the JWs just to associate with you. They still love you but cannot associate with you. They miss you and are hurting too. But until they leave the org you will have to understand their restrictions. I recommend being kind and patient with them.
And enjoy your new freedom!