6 Bible Verses about Illegitimate Children

A bastard shall not enter into the congregation of Jehovah. Even to his tenth generation he shall not enter into the congregation of Jehovah.

So both the daughters of Lot were with child by their father. And the first-born bore a son, and called his name Moab. He is the father of the Moabites to this day. And the younger also bore a son, and called his name Ben-ammi; he is the father of the sons of Ammon to this day.

And the days were many, and Judah's wife, the daughter of Shuah, died. And Judah was comforted, and went up to shearers of his sheep, he and his friend Hiram of Adullam, to Timnah. And it was told to Tamar, saying, Behold, your father-in-law goes up to Timnah to shear his sheep. And she put off her widow's clothes, and covered herself with a veil, and wrapped herself. And she sat in an open place, which is by the way to Timnah. For she saw that Shelah was grown and she was not given to him as wife.read more.
When Judah saw her, he thought she was a harlot, because she had covered her face. And he turned aside to her by the wayside, and said, Come now, let me come in to you. For he did not know that she was his daughter-in-law. And she said, What will you give me, so that you may come in to me? And he said, I will send a kid of the goats from the flock. And she said, Will you give me a pledge until you send it? And he said, What pledge shall I give you? And she said, Your signet, and your bracelet, and your staff that is in your hand. And he gave to her, and came in to her, and she conceived by him. And she arose, and went away, and laid away her veil from her, and put on the clothes of her widowhood. And Judah sent the kid of the goats by the hand of his friend the Adullamite, to receive his pledge from the woman's hand. But he did not find her. Then he asked the men of that place, saying, Where is the harlot who was by the wayside? And they said, There was no harlot here. And he returned to Judah, and said, I cannot find her. And also the men of the place said, There was no harlot here. And Judah said, Let her take it to her, lest we be ashamed. Behold, I sent this kid, and you have not found her. And it happened, about three months afterward, that it was told Judah, saying, Your daughter-in-law Tamar has played the harlot, and also, behold, she is with child by whoredom. And Judah said, Bring her forth, and let her be burned. When she was brought forth, she sent to her father-in-law, saying, I am with child by the man whose things these are. And she said, Please observe. Whose things are these, the signet, and bracelets, and staff? And Judah acknowledged them, and said, She has been more righteous than I have, because I did not give her to my son Shelah. And he never knew her again. And it happened, in the time of her travail, behold, twins were in her womb. And when she travailed, it happened that one put out a hand. And the midwife took and bound upon his hand a scarlet thread, saying, This one came out first. And it happened as he drew back his hand, behold, his brother came out. And she said, How have you broken a break for yourself? And his name was called Pharez. And afterwards his brother came out, on whose hand was the scarlet thread. And his name was called Zarah.

Now Jephthah, the Gileadite, was a mighty man of war. And he was the son of a harlot. And Gilead fathered Jephthah.

And a bastard shall dwell in Ashdod, and I will cut off the pride of the Philistines.

But if you are without chastisement, of which all are partakers, then you are bastards and not sons.