Marcella is the granddaughter of Wilma and George Vandenburg, Metz, Mo., and the late Clemens and Agnes Ast, Conway Springs, Kan.
Caleb is the grandson of Patrick Franken, Tipton, Mo., and the late Blanche Franken, and Betty Nichols of Joplin, Mo., and the late Clarence Nichols, and the late Raymond Joseph Clark, Osceola, Mo.
Marcella is a 2005 graduate of Nevada High School and a 2009 graduate of Missouri State University where she received a Bachelor of Science in Psychology and a minor in Child and Family Development. She is employed by Rivendell Behavioral Health Services located in Bowling Green, Ky.
Caleb is a 2002 graduate of Nevada High School and graduate of Missouri State University, where he received a Bachelor of Science in Construction Management and a minor in General Business. Caleb is employed by Scott & Ritter, Inc. located in Bowling Green, Ky.
The couple are planning to be married on Aug. 14, 2010, at 4 p.m., at St. Mary's Catholic Church.