Adapun Nasab keilmuan Murobbi Habib Idrus bin Muhammad Alaydrus adalah Habib Idrus bin Muhammad Alaydrus berguru kepada Habib Umar bin Muhammad bin Salim Bin Hafidz Hadramaut Yaman Habib Abdul Qadir bin Ahmad bin Abdurrahman Assegaf Jeddah Habib Abdullah bin Umar Assyatiri Habib Ali-Habsy (Sewun Hadramaut-pengarang maulid simtudduror) Habib Abu Bakar bin Abdulloh Al-Atthos Habib Abdulloh Bin Husein bin Thohir Habib Hasan bin Sholeh Al-Bahar Habib Umar bin Segaf As-segaf Habib Hamid bin Umar Ba-alawy Habib Ahmad bin Zein Al-Habsy Habib Abdulloh bin Muhammad Al-Haddad Habib Umar bin Abdurrahman Al-Atthos Habib Husein bin Syech Abu Bakar bin Salim Syeikh Abu Bakar bin Salim Al Allamah Al hafidh Alhabib Ahmad bin Abdurrahman Syahabuddin, Al Allamah Al hafidh Alhabib Abdurrahman bin Ali (Ainulmukasyifiin), Al Allamah Almusnid Alhabib Ali bin Abubakar (assakraan), Al Allamah AL hafidh Alhabib Abubakar bin Abdurrahman Assegaf, Al Allamah Al Hafidh Alhabib Abdurrahman...