It is added to Skyrim by the add-on The Elder Scrolls V: Hearthfire.
After a careful review of the building plans for Breezehome, your house in Whiterun, I can offer you an additional option for furnishing your home: if you wish, you can now purchase a children's bedroom set. I have arranged to update your Home Decorating Guide accordingly.
As always, please speak with me if you would like to purchase this or any other furnishings for your house.
- If the Dragonborn has completed Battle for Whiterun for the Stormcloaks, Brill will be the one to write the letter, as he becomes the new steward under Vignar Gray-Mane. However, if Brill dies, Proventus Avenicci will return to Whiterun as Steward and therefore shall be the one to write the letter.