The former wife of a man accused of kidnapping their daughter told a jury Monday about the unraveling of her 12-year marriage to a man she thought was a member of the moneyed Rockefeller family. Financial consultant Sandra Lynn Boss, 42, was stone-faced and repeatedly referred to her former husband as “the defendant” as she took the witness stand Monday at his kidnapping trial. She now lives in London, England, with the girl, Reigh, who just turned 8.