The study begins with an introduction, followed by a research on the three supports. First, we delve into the life of ''''''''Abd al-''''''''Azz ibn Mahmud ibn al-Mubarak, also known as Ibn al-Akhdar, who died in 611 AH / 1215 AD. Second: We review the life of Abdullah bin Muhammad Al-Hashemi bin Shafin, who died in 640 AH / 1442 AD. We deal with his name, surname, lineage, birth, scholars'''''''' opinions on him, the most important hadiths he narrated, and his role in the field of hadith. Finally, we focus on the life of Abu al-Faraj ''''''''Abd al-Mun''''''''im ibn ''''''''Abd al-Wahhab ibn Sa''''''''d al-Harrani, Musnad al-Iraq, who died in 596 AH/1200 CE. And we talk about his name, surname, lineage, birth, the opinions of scholars about him, the most important hadiths that he narrated, and his impact on the field of hadith.