How To Write A Letter To An Estranged Parent . All these things can happen without the parents being culpable. Take a deep breath and pick up the phone, or send your message. Ronald Reagan's letter to daughter Patti Davis up for auction Daily from www.dailymail.co.uk I remember looking at you and realizing you were not there. If you’ve made the difficult decision to end a toxic family relationship, or are currently estranged from your parents, here are 7 things to remember. Photo by annie spratt on unsplash.