Ellicott's Commentary for English Readers - Genesis 7:6
(6) Noah was six hundred years old.—It follows that Shem was about one hundred years of age (comp. Genesis 5:32), and his two brothers younger; but all were married, though apparently without children. (Comp. Genesis 11:10.) read more
John Dummelow's Commentary on the Bible - Genesis 7:1-24
The Flood (continued)2. By sevens] RV ’seven and seven,’ or seven pairs. The clean animals might be used for food, and would also be required for sacrifice. Observe that in Genesis 6:19 this distinction between clean and unclean is not noticed, and that there also the animals are chosen in single pairs, ’two of every sort.’ Lists of ’clean’ and ’unclean’ animals are given in Leviticus 11.11. The second month] The year is here supposed to begin in autumn (cp. Exodus 34:22), so that the second... read more