'Generation' in the Bible

'No one of these men of this evil generation will see the good land that I swore to give to your ancestors,

Now the {length of time} that we had traveled from Kadesh Barnea until [the time when] we crossed the wadi of Zered [was] thirty-eight years, until the perishing of all of that generation; [that is], the men of war from the midst of the camp as Yahweh had sworn to them.

'You shall not bow down to them, and you shall not serve them, for I, Yahweh your God, [am] a jealous God, punishing the guilt of fathers upon [their] children and upon [the] third and upon [the] fourth generation of [those] hating me,

An illegitimate child may not come into the assembly of Yahweh; even [to] the tenth generation none {of his descendants} may come into the assembly of Yahweh.

An Ammonite or a Moabite may not come into the assembly of Yahweh; even [to] the tenth generation none {of his descendants} may come into the assembly of Yahweh {forever},

The children [that] are born to them [in] the third generation may come {representing them} in the assembly of Yahweh.

"And the next generation, [that is], your children who will rise [up] after you, and the foreigner who will come from a distant land, when they will see the plagues of that land and its diseases that Yahweh has inflicted upon it, will say,

They [have] behaved corruptly toward him; [they are] not his children; [this is] their flaw, a generation crooked and perverse.

So he said, 'I will hide my face from them; I will see what [will be] their end, for they [are] a generation of perversity, {children in whom there is no faithfulness}.