1)
Of what importance is it to know how long the Resha'im listed in this Parshah lived?
1.
Rashbam, Moshav Zekenim and Riva: So that we can work out the historical dates up to the time of each one; and by adding up the years of the generations that we are given, we know exactly the dates of all the major events, such as Yetzi'as Mitzrayim and Binyan Bayis Rishon and Sheini. 1
1
See Rashbam.
