Bob and Kyla Knudson of Newton, announce the birth of their son, Derek Robert Knudson, on Sept. 20, 2014, at Skiff Medical Center in Newton.
Grandparents are Jim and Roxann Wormley, and Darcy Shaw, all of Newton.
Great-grandparents are Crystal Dykstra, of Newton; Bob and Geneva Knudson, of Des Moines; Donna Davis, of Redfield; and Frank and Sheron Shaw of Des Moines.