President Jonathan's younger sister, Mrs. Nancy Jonathan-Olei has passed away. The presidency announced her passing in a statement by the Special Adviser to the President on Media and Publicity, Dr Reuben Abati. The statement said Mrs. Jonathan-Olei passed away earlier yesterday Sunday, January 4th at a hospital in Yenagoa after a brief illness. She was 52. Her burial arrangements will be announced later by the family.