An Undisclosed Relationship
As we’ve discussed, a parent can be someone who doesn’t share DNA with you. As long as they raised you and loved you, they are your parent. But imagine thinking both of your parents were biological parents, just to find out through a DNA test that you never actually knew where half of you comes from.
It turns out that his mother was involved in an undisclosed relationship while serving in the Marine Corps and conceived with someone else, a secret that she planned to take to her grave. McGrath revealed that his biological father’s name was Domingo Malaquias who had fathered other children – McGrath’s half-siblings.