«وَكَمُحَمَّدِ بْنِ سِيرِينَ، عَنْ عَبِيدَةَ بْنِ عَمْرٍو، عَنْ عَلِيٍّ»
And Muhammad ibn Sirin transmitting from ʿAbidah ibn ʿAmr, from ʿAli.
«وَكَإِبْرَاهِيمَ النَّخَعِيِّ، عَنْ عَلْقَمَةَ، عَنِ ابْنِ مَسْعُودٍ»
And Ibrahim al-Nakhaʿi transmitting from ʿAlqamah, from Ibn Masʿud.
These lines connect prominent Successors and scholarly centers with Companion transmitters. Their inclusion shows that the expression asahh al-asanid was applied to more than one renowned family of chains.
Application: In the first line, the sequence runs ʿAli → ʿAbidah → Ibn Sirin. In the second, Ibn Masʿud → ʿAlqamah → Ibrahim al-Nakhaʿi. Reading from the Companion forward makes the teaching relationships clear.