biological father

Then they did not talk again until two months ago, when his biological father called.

"Which one of these men would you say was your biological father?"

What difference did it make who his biological father was?

She is then taken back at the idea that he might be the biological father.

Her biological father, I always told myself, was of no importance.

She was never married, you see, to your biological father.

Yet, the biological father may claim right to the child.

He did not develop a relationship with his biological father until the age of 14.

Actually, it was little that I knew, since my biological father turned out to be 6 feet 3.

I'd like him to meet you when he asks to see his biological father.

He claims that one of them is his biological father.

Until he was 16, Kerry saw little of his biological father.

From the information given, this man could possibly be her biological father.

The results indicated that he was probably not the girl's biological father.

She says that he has the ability to do anything before going outside to think, and is later joined by her biological father.

In this system, the mother's older brother is highly important to her children, more than the biological father, especially for boys.

The results were compatible with him being her biological father.

In the end, the boy's biological father won custody of him.

Getting an opportunity to tell off her biological father was just a bonus.

At 11, James met and went to live with his biological father, who introduced him to drugs.

In those cases, some children never learn details about their biological fathers.

It came out that his biological father had also been a murderer.

R. could have insisted on his rights as a biological father.

House is more concerned why the mother lied about the biological father.

Although Kevin is not her biological father, she sees him that way.