First Impressions

I'm stressed.  I need to compose a letter to my daughter (yes, I am already considering H to be my daughter) but I don't know how to start off the letter to her.  This will be her first impression of her mom and dad.  I know what I want to tell her, about her home, about her sisters, about her town, about what we do as a family.....I just can't figure out how to start it.  I'm afraid that she will misinterpret anything I say....