11.   Aguilera is not the biological father of Roy or his sister, according to court documents.

12.   Alessi said the family has spoken to attorneys who have warned that judges are often solicitous of the rights of biological fathers.

13.   But he bristles at any comparison to his own biological father.

14.   But here in the great Sydney Superdome hall was the biological father of the newest sport on the already overcrowded Olympic menu.

15.   Doctors have told the biological father about his son and asked if he wants a DNA test to be certain.

16.   Everyone involved, including parents, grandparents, siblings, the biological father and other relatives agreed it was the perfect solution.

17.   Even when the biological father is in jail for assault?

18.   For other DI children the quest to know a biological father can be as perennial as it is painful.

19.   Ford and Clinton were estranged by death and circumstance from their biological fathers.

20.   Gingrich and Clinton were each raised in fractured families, without biological fathers, by working mothers who left them for long periods in the care of grandparents.