Complex sentence: Adopted by dwarfs after the deaths of his human parents, Carrot grew up in the mines, gaining his given name because of the stature he developed from all the hard work there-- "six feet tall and nearly as broad across the shoulders".
Split into simpler sentences: Adopted by dwarfs after the deaths of his human parents, Carrot grew up in the mines. He is "six feet tall and nearly as broad across the shoulders".