Katherine Goggin and Christopher Koeneman have announced their engagement.

Katherine Goggin and Christopher Koeneman have announced their engagement.

The couple will exchange vows in a May 15, 2010, wedding at First Congregational Church in Columbus.

The bride-to-be is the daughter of Timothy and Tracey Goggin of Westerville. She is a graduate of Westerville South High School and Ohio University.

The future groom is a student at Ohio State University.

Melissa Wall, daughter of Mark and Janet Wall of Groveport, and Andrew Allmandinger, son of Kevin and Arienne Allmandinger of Pickerington, have announced their engagement.

The couple plans a June 12 wedding at Peace Lutheran Church, Gahanna.

The bride-to-be is a 2005 Groveport Madison High School graduate and a 2009 Capital University graduate, earning a bachelor's degree in business leadership and management.

The future groom graduated from Pickerington High School Central in 2006 and from Capital University in 2010 with a bachelor's degree in integrated mathematics.