Hong Kong, April 13 -- The long and often bitter family battle for management control of Korean conglomerate, Hanjin Group, and its flagship company, Korean Air (KAL), is over, at least for the time being.

Incumbent Hanjin Group chairman and KAL president, Cho Won-tae, or Walter Cho, convincingly defeated his sister, Cho Hyun-ah, in a shareholder vote at the chaebol's annual general meeting. The elder Cho, widely known as Heather Cho, had tried to remove her brother as chairman, assisted by the support of a coalition of critics of the conglomerate.

Well known in Korea, she achieved orbital infamy after a "nut rage" incident in December 2014 when she forced a KAL jet, taxi-ing to take-off, to return to the gate because she was unhappy with...