John Paul Rudolph(19), Rebecca Meyer (18), Matthew Rudolph (17), Katie Meyer (16), David Rudolph (15), and also Stephenie Meyer (14) now work together, combining their love of song along with their strong Catholic faith creation. John Paul Rudolph of Cousins in Christ lately talked with Register correspondent Lisa Hendey about the adventure of acting as a young Catholic celebrity. Cousins in Christ recently finished a few days of filming music movies to its CDs. A: The Cousins in Christ are now double cousins because they share the same two types of grandparents. These gifted young brothers, ages two through nineteen, are now “double cousins” sharing the same two types of grandparents.