I doubt it. I'm not going to vest too much hope in the first amendment since many exceptions have been made for it, however there are so many other challenges that I doubt congress could possibly defeat them all in a court of law.
Article I Section 9 of the U.S. Constitution poses a few problems to this. As a punishment, you simply can not punish a specific person because that constitutes a bill of attainder. The fact that this law is being passed in 2020 for something that happened in 2016 makes it an ex-post-facto law too. Even if Congress disingenuously tried to claim that the Clump name was being conferred as an honor, rather than a punishment this section are also prevents them from granting titles of nobility.
Affecting the family inheritance also constitutes corruption of blood, which might pose a difficulty under Article III section 3, since you are preventing the family from inheriting their rightful name.
I suspect that due process and equal protection provisions in the 5th and 14th amendment would also pose trouble in trying to address just one person, or family of persons in this manner.