LANGDON, Keith Merlin age 88 of Mason, Ohio passed peacefully January 6, 2018 at Hospice of Butler and Warren Counties with his family by his side. Born February 25, 1929 in Lucasville, Ohio, Keith was the son of Clayton and Flota A. (nee Lynd) Langdon and was a loving and devoted husband, father and grandfather. Keith served his country proudly during World War II and the Korean Conflict in the U.S. Army and the U.S. Navy. Keith was retired from the International Paper Company in Mason where he was a supervisor and had also worked at Cincinnati Electronics in security. Preceded in death by his parents, loving wife Oneida Joyce Langdon, son David Langdon, grandson Johnathan Langdon, brother Kenneth Langdon and son-in-law Cecil Moore; Keith leaves behind his loving daughter Lillian Moore of South Lebanon, Ohio; granddaughter Lisa (Brian) Hill and two great-grandchildren Taylor Tindle and Scarlett Hill. The family will receive friends Friday, January 12, 2018 from 11:30am until time of service at 12:30pm. Burial with Military Honors will follow in the Rose Hill Cemetery, Mason, Ohio.