I see. Generally speaking, an improvement that is affixed to land becomes the property of the land owner. An improvement is any sort of building or structure. Therefore, in order to get the property in your brother's name, your sister needs to deed the land to your brother. The deed should simply state something to the effect that all improvements are included. You can find numerous examples of deeds using a search engine such as Google.
As an aside, a building is not generally conveyed with a deed. Deeds are for land. That's why you didn't get a deed. Moreover, titles are for vehicles and other property registered with the State. The botXXXXX XXXXXne is that I don't believe you were supposed to get a title or deed with the house, although you should have certainly gotten some kind of proof that you purchased it. Hopefully you have a sales contract
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