Langdon, Susan B., of St. Charles, Missouri, died on Tuesday, February 22, 2011 at the age of 59. Loving wife of Richard Langdon; beloved daughter of the late Paul and Berniece Feuerstein; devoted mother of Stacy (Peter) Woodruff-Bolte and Paul Woodruff; dear step-mother of Marc (Cadey) Langdon, Melissa (Shannon) Fields; cherished step-grandmother of Noah Langdon, Samuel Fields and Henry Fields; dear sister of James Feuerstein; treasured sister of Christine Ryan and Nancy Ghidoni. Susan is preceded in death by her sister Joyce Taylor. In lieu of flowers memorials may be made to The Leukemia and Lymphoma Society.