Whitney Nichole Kellar and Derek Blake Clayton, both of Olney, announce their engagement and upcoming marriage. The bride-elect is the daughter of Mike and Sondria Kellar. Her grandparents are Andrew and Barbara West and Gene Kellar and the late Sherry Kellar. She graduated from Olney High School in January 2014. The prospective groom is the son of Michelle Weatherford and the late Christopher Wells. His grandparents are Johnny Clayton and Sheila Daniels. He graduated from Olney High School in January 2014 and is employed at Tower Extrusions. The couple will marry on Saturday, June 28, at The Main Room in Olney.