In "The Wizard of Oz", Dorothy lived with Aunt Em & this uncle, a farmer
In the MGM adaptation of The Wizard of Oz, Mrs. Gulch refers to Uncle Henry as 
... Matilda and Dorothy go to live with Aunt Em and Uncle Henry, but ... What is 
important about Matilda dying in Kansas on the farm is not that... [DOC] [TLE] Dorothy Gale (The Wizard of Oz) - Facebook [PAR] How did she come to live with Aunt Em and Uncle Henry?