Innallaha wa malaikatahu yusholluna alan nabi - Surah 33. Al

There is also a consensus that it is obligatory to pronounce the darud on the Prophet peace be upon him at least once in a lifetime, because Allah has clearly commanded it, but apart from this there are differences among the scholars regarding it.

Thus, from aal- Muhammad is excluded every such person who is not on the way of Muhammad peace be upon him , whether he be a member of his household, and in it is included every such person, who is following in his footsteps, whether he is not even distantly related to him by blood.