The sefer Seder Hadorot brings different opinions as to how old Hevel was when he was killed by Kayin.

Bershit Rabbah Ch. 22: 50 days (or 90 days [Seder Hadorot says 50 is a printing mistake])

Ibn Ezra: 1 year

Tanchuma, Abarbanel and Josephus: 100 years.

According to the former opinions... does this mean that Kayin and Hevel developed really quickly or were they somehow born fully developed?

1 Answer 1


One of my Rebbes said in the name of the Zohar that they were born developed like a 20 year old.

  • Now we understand בעצב תלדי בנים. They must have been huge!
    – Double AA
    Apr 14, 2013 at 2:58
  • 1
    And she tried to nurse one, but he bit her, so she named him קייַען.
    – msh210
    Apr 14, 2013 at 5:49
  • Anyone know where the source of this is? Thanks. Best I've found so far is Bereishis Rabbah 14:7 saying that Adam and Chava were created as 20 year olds.
    – Eliyahu
    Apr 5, 2021 at 4:50

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