'NOT JUST A CERTIFICATE': For newly naturalized Americans, citizenship is a release from fears He and his wife, originally from Congo, became citizens in 2010. Now that his daughter is an adult, Moussoki said, she underwent the citizenship process herself. Her efforts culminated in a ceremony at the Beckendorf Conference Center in Tomball where she and over 60 others took the oath of allegiance, declaring themselves U.S. citizens.