Learn how to write a resignation letter due to family reasons with our stepbystep guide and sample letters. Professional resignation letter examples for different reasons.Free templates and writing guide to resign on a positive note without feeling awkward. Here are two examples of letters resigning for family or personal reasons. The first is a formal business letter, and the second is an email sample. In this article, we share tips for writing a short, simple resignation letter and offer examples for you to reference when creating your own. In the body of the letter, immediately state your intention to resign and provide your reasoning, including only positive feelings towards your work experience.