Yuwen Tai
In late 534, Gao sent Hou to attack Heba Sheng (賀拔勝, Heba Yue's brother), who controlled the southern provinces at the time and was loosely allied with Yuwen Tai. Hou defeated Heba, forcing Heba to flee to the Liang Dynasty and taking those provinces for Eastern Wei. In 536, Gao put him in charge of the provinces south of the Yellow River, and from that point on, those provinces were under his command.