Read the article to know how to write a death claim letter format to the bank and also check out the samples for the same. This is to notify the bank that my.(Relationship with deceased). To sum up, I want to inform you that my husband died in a car accident on 28th July 2022. Moreover, he has a savings bank account in your bank. I need to write to several organisations including banks, insurance and mortgager company to inform them of my partners death.