What year did Princess Basma bint Talal's nephew become king?
1999
Title: Princess Basma bint Talal
Passage: Princess Basma bint Talal (born 11 May 1951) is the only daughter of King Talal and Queen Zein, sister of King Hussein and paternal aunt to the current king, King Abdullah II.  Princess Basma is often considered the equivalent "Princess Royal of Jordan".
Title: Abdullah II of Jordan
Passage: Abdullah II bin Al-Hussein (Arabic: عبد الله الثاني بن الحسين‎ ‎ , "ʿAbdullāh aṯ-ṯānī ibn Al-Ḥusayn", born 30 January 1962) has been King of Jordan since the 1999 death of his father, King Hussein.  According to Abdullah, he is a 41st-generation direct descendant of Muhammad as he belongs to the Hashemite family—who have ruled Jordan since 1921.
Title: Ameera al-Taweel
Passage: Princess Ameerah bint Aidan bin Nayef Al-Taweel Al-Otaibi (Arabic: الاميرة اميرة بنت عيدان بن نايف الطويل العصيمي العتيبي‎ ‎ ; born 6 November 1983) often called Princess Ameerah al-Taweel, in the English-speaking press and media, is a Saudi Arabian princess and philanthropist.  Princess Ameerah assumed the role of Vice Chairperson of Al-Waleed bin Talal Foundation and is a member of the board of trustees at Silatech.
Abdullah II of Jordan Princess Basma bint Talal