In 2011, a woman gave birth to her own grandson. Despite repeated attempts, Sara and Bill Connell had been unable to become parents. Sara’s mother Casey agreed to be surrogate mother to their baby, meaning she would carry the baby that grew from the couple’s egg and sperm. In February 2011, 61-year-old Kristine Casey gave birth to a healthy baby, and also became the oldest woman ever to give birth in Chicago.
Source: Unbelievable Facts