 Charles used the surname Wendling, which was borrowed from Jeanne's paternal grandmother, Rose Wendling.He served as Colbert's business manager for a time, and was credited with negotiating some of her more lucrative contracts in the late 1930s and early 1940s.Although virtually retired from the motion-picture industry since the mid-1950s, Colbert was still financially solvent enough to maintain an upscale lifestyle.