Chris and Shannon (Corder) Schaben of McCook announce the birth of their daughter, Christina Ann Marie, born May 17. She weighed seven pounds, four ounces, and was 21 inches. She has a 2 1/2 year old sister, Maria. Grandparents are Barry and Janeale Corder of McCook, Marlin Schaben of Cambridge, and Charlie and Sherry Zeller of Bartley. Great-grandparents are Alta Mae Corder, Velvia Schmahl of Loveland, Colo., and Joyce Hilker of Cambridge.