2, 3. (a) Who, in addition to the human family, did Satan draw into this issue? (b) With what effect upon mankind?
2 Genesis the 6th chapter tells us that some of the angels joined in the issue by leaving their heavenly estate to materialize as men on earth and took wives for themselves from among the daughters of men.
... 3 Jehovah executed his decree against wickedness by the great flood, which destroyed all human creatures, except Noah and his family, who found favor in His eyes because they upheld clean worship of Jehovah and obeyed his commands. (Gen. 6:9-18, AS)