Claim: The longest-first lady of Syria is Asma al-Assad, (30 years), and the second-longest first lady is Tahia Kazem (15 years), the wife of Bashar Hafez al-Assad (the 19th president of Syria, the very first politician in his family).
Evidence: Asma al-Assad 13 December 2000 Present Tahia Kazem (as First Lady of the United Arab Republic) 22 February 1958 28 September 1970