And these are the words of the book, which Baruch the son of Nerias, the son of Maasias, the son of Sedecias, the son of Asadias, the son of Chelcias, wrote in Babylon,
Read Chapter 1
Olympiodorus of Alexandria
AD 570
Perhaps he mentions Baruch’s ancestors because they were worthy of respect. - "Fragments on Baruch 1.1"