told CNN 's `` AC 360 . '' But she said the church told her , `` No , we are not Nathan 's biological father , we have no legal obligation to your son . '' Willenborg , whose priestly vows require celibacy , has been suspended from his most recent assignment , in northern Wisconsin , as Catholic leaders investigate allegations that he was involved with another woman -- then in high school -- around the same time he was seeing Bond . Willenborg has acknowledged his relationship with Bond , but denies any inappropriate relationship with the other woman while she was a minor , according to his current bishop . And his order acknowledges its agreement to support his son , telling CNN they have paid about $ 233,000 to support Nathan over his lifetime . Since the affair has become public , the Franciscan Order has agreed to pick up Nathan 's medical bills and the costs for the funeral that now appears likely . Willenborg refused to speak to CNN . But a statement to his parishioners in Ashland , Wisconsin , in September , said , `` My failure to be faithful to
O'Fallon , Missouri -LRB- CNN -RRB- -- Nathan Halbach is 22 , with a diagnosis of terminal brain cancer . He knows that `` horrible stuff '' lies ahead . His mother , Pat Bond , has been taking care of him full time . But when she needed help , she reached out to the Roman Catholic Church . After all , his father is a priest . Nathan was born in 1986 , during a five-year affair between his mother and Father Henry Willenborg , the Franciscan priest who celebrated Nathan 's baptism . In a story first reported in the New York Times , it was revealed that The Franciscan Order drew up an agreement acknowledging the boy 's paternity and agreeing to pay child support in exchange for a pledge of confidentiality . Now her son -- the youngest of four children -- may have just weeks to live . And when the Franciscans balked at paying for his care , she decided she was no longer bound by her pledge of confidentiality . `` I never asked for extraordinary amounts . I asked for the basic needs and care of my son , '' Bond