How To Write A Letter Asking For Money From Family . Honesty ensures that trust and communication stay strong even if your family is reluctant to lend money. Today i will give you a sample letter to borrow money from a friend. How to Write a Letter to Parents Asking for Money • Room Mom Rescue from www.roommomrescue.com As my sister is getting married next month and i want some money. Tips for writing a letter for requesting payment. Sample personal request for money from a family member.