Complex sentence: She was styled Lady Hodge after her second husband, Sir Henry Hodge, was knighted in 2004, until her appointment as DBE in 2015 when she became Dame Margaret Hodge.
Split into simpler sentences: She was styled Lady Hodge after her second husband, Sir Henry Hodge, was knighted in 2004. After her appointment as DBE in 2015 she became Dame Margaret Hodge.