Simplify the following text for a Grade 2 native English-speaking person.
Original: Meng Tian ( è ' æ ) ( died 210 BCE ) was a general of the Qin Dynasty who distinguished himself in campaigns against the Xiongnu and in the construction of the Great Wall of China . He was the elder brother of Meng Yi .
Simplified: Meng Tian ( Chinese : è ' æ ?