The Messenger of Allah ﷺ said, "No man should sit between another man and his son."
قال رسول الله ﷺ: لا يجلس الرجل بين الرجل وابنه.
No references are available.
Tabarani reported it in Al-Awsat - Majma al-Bahrayn (3051), and Ali bin Jaad in his Musnad (2947), both through the route of Muhammad bin Habib bin Muhammad Jarudi, who said, Abdul-Aziz bin Abu Hazim narrated to us, from his father, from Sahl bin Saad, who said, and then he mentioned it.Its chain is hasan because of Muhammad bin Habib Jarudi, about whom Khatib said, "He was truthful."