Deuteronomy 7:9

7:9 So realize that the Lord your God is the true God, the faithful God who keeps covenant faithfully with those who love him and keep his commandments, to a thousand generations,

Deuteronomy 23:2-3

23:2 A person of illegitimate birth may not enter the assembly of the Lord; to the tenth generation no one related to him may do so.

23:3 An Ammonite or Moabite may not enter the assembly of the Lord; to the tenth generation none of their descendants shall ever do so,

Deuteronomy 32:7

32:7 Remember the ancient days;

bear in mind the years of past generations.

Ask your father and he will inform you,

your elders, and they will tell you.

Deuteronomy 32:20

32:20 He said, “I will reject them,

I will see what will happen to them;

for they are a perverse generation,

children who show no loyalty.