The Prophet ﷺ said, "Whoever wishes to be measured with the fullest measure when sending blessings upon us, the family of the household, let him say, 'O Allah, send blessings upon Muhammad, upon his wives the Mothers of the Believers, upon his offspring, and upon the people of his household, as You sent blessings upon the family of Ibrahim. Indeed, You are Praiseworthy and Glorious.'"
حدثنا موسى بن إسمعيل حدثنا حبان بن يسار الكلابي حدثني أبو مطرف عبيد الله بن طلحة بن عبيد الله بن كريز حدثني محمد بن علي الهاشمي عن المجمر
عن النبي ﷺ قال من سره أن يكتال بالمكيال الأوفى إذا صلى علينا أهل البيت فليقل اللهم صل على محمد وأزواجه أمهات المؤمنين وذريته وأهل بيته كما صليت على آل إبراهيم إنك حميد مجيد
Graded, its chain of transmission is daif. Bukhari reported it in Tarikh al-Kabir 30/870, from Musa bin Ismail with the same chain.Habban bin Yasar was graded daif by Abu Hatim and others, and he became confused in his later years, as Salit bin Muhammad and others stated. There is another defect in the chain as noted by Aqeeli in Duafa 1/318.