 Rex remains curious about his lineage, asking first Roxy, then his Aunt Corinne, about Walter Balsom's side of the family.Both women are evasive and nervous when questioned about Rex's family tree, and Rex becomes convinced that they are hiding something.When Corinne visits Llanview on January 25, 2008 to congratulate Rex on his engagement, Rex grills her for information, and Corinne reluctantly admits that she has her doubts that Walter Balsom was Rex's father.