Numbers 15:27

'And if one person sin in ignorance, then he hath brought near a she-goat, daughter of a year, for a sin-offering;

Leviticus 4:27-28

And if any person of the people of the land sin through ignorance, by his doing something against one of the commands of Jehovah regarding things which are not to be done, and hath been guilty --

Acts 3:17

And now, brethren, I have known that through ignorance ye did it, as also your rulers;

Acts 17:30

the times, indeed, therefore, of the ignorance God having overlooked, doth now command all men everywhere to reform,

1 Timothy 1:13

who before was speaking evil, and persecuting, and insulting, but I found kindness, because, being ignorant, I did it in unbelief,

Treasury of Scripture Knowledge

Summary

And if any soul sin through ignorance, then he shall bring a she goat of the first year for a sin offering.

Bible References

General references

Leviticus 4:27
And if any person of the people of the land sin through ignorance, by his doing something against one of the commands of Jehovah regarding things which are not to be done, and hath been guilty --
Acts 3:17
And now, brethren, I have known that through ignorance ye did it, as also your rulers;
Acts 17:30
the times, indeed, therefore, of the ignorance God having overlooked, doth now command all men everywhere to reform,
1 Timothy 1:13
who before was speaking evil, and persecuting, and insulting, but I found kindness, because, being ignorant, I did it in unbelief,