Complex sentence: By 2011, the owner of the BabyPhat brand BP Clothing had transferred the brand and clothing line to Phat Fashions, which soon after, became a subsidiary of the Kellwood Company.
Split into simpler sentences: By 2011, the owner of the BabyPhat brand BP Clothing had transferred the brand and clothing line to Phat Fashions. Soon after, it became a subsidiary of the Kellwood Company.