Arrival Date: April 6, 2013 It's...a girl! And baby makes...five. This is the athlete couple's third child. The three-time Olympic gold medalist and her husband, a beach volleyball champ, already have two sons, Joseph, 3, and Sundance, 2. Birth Announcement: The family welcomed a daughter into the world and named her Scout Margery. "Our family feels so blessed to have this beautiful new addition to our family," the new mom said in a statement. "We cherish our lil Scout already and can't wait to watch her as she grows in this world alongside her sweet big brothers." The Olympian added: "Thank you for all your thoughts and prayers. We appreciate them all so very much."