1. Al-Hadi's father was al-Mahdi and al-Khayzuran bint Atta was the mother of both caliphs Musa al-Hadi and Harun al-Rashid.

1. Al-Hadi's father was al-Mahdi and al-Khayzuran bint Atta was the mother of both caliphs Musa al-Hadi and Harun al-Rashid.
Al-Hadi had another son named Isa ibn al-Mahdi, and a daughter named Banuqah or Banujah.
Al-Hadi's mother, al-Khayzuran was born in Mecca and brought up in Jurash.
Al-Hadi had two sisters, Salsal bint Atta and Asma bint Atta, and a brother Ghitrif ibn Atta.
Al-Hadi had half-sisters; Abbasa was his elder half-sister, others were Ulayya and Aliyah.
Al-Hadi was the eldest son of al-Mahdi and al-Khayzuran and the older brother of Harun al-Rashid.
Al-Hadi was very dear to his father and was appointed as the first crown prince by his father at the age of 16 and was chosen as the leader of the army.
Al-Hadi ensured a smooth transition of power and to secure the succession for her son, she called upon the viziers and ordered them to pay the wages of the army to secure order, and then had them swear allegiance to her son as their new caliph in his absence, and held everything together until al-Hadi returned to Baghdad.
Al-Hadi became the caliph at the age of 25, the youngest caliph to yet rule the Abbasids.
Al-Hadi was considered an "enlightened ruler" by his constituents and continued the "progressive" moves of his Abbasids predecessor.
Al-Hadi was physically strong and famous for his bravery and talent in government and generosity.
Al-Hadi was especially malevolent to non-Muslim citizens, as he continued his father's persecutions and quashed multiple internal uprisings.
Al-Hadi crushed a Kharijite rebellion, repelled a Byzantine invasion and seized some territory in the process.
Al-Hadi cut all the allowances al-Mahdi previously assigned them due to fear of an Alid uprising.
Al-Hadi ordered his agents to watch all 'Alids' activities and place some spies among them and ordered them to register their presence daily with local authority.
Al-Hadi arrested the Imam and sentenced him to execution, but died before he could implement his decision.
Al-Hadi continued to give audiences in her chambers and discuss state affairs:.
Al-Hadi responded positively to all the requests and demands coming to her, and when she talked to officials and other audiences and made decisions and only reported her decisions to him, he did not object and approved them.
Al-Hadi was not inclined to allow her displays of authority and attempted to exclude her from politics.
Al-Hadi's son considered this improper, and he publicly addressed the issue of his mothers public life by assembling his generals and asked them:.
Al-Hadi moved his capital from Baghdad to Haditha shortly before his death.
Al-Hadi died in Baghdad at the age of 26 in 786, after ruling for only a year and two months.
Al-Hadi crushed the rebellion and killed Husayn and many of his followers but Idris bin Abdallah, a cousin of Husayn, escaped and aided by Wadih, the Egyptian postal manager, reached coastal Maghreb.
Al-Hadi crushed a Kharijite rebellion and repelled a Byzantine invasion.
Al-Hadi was first presented to al-Mahdi, who, inturn presented her to al-Hadi.
Al-Hadi was his favourite concubine, and bore him his two oldest sons.
Al-Hadi began his reign by appointing very able ministers, who carried on the work of the government so well that they greatly improved the condition of the people.