His brother, Leslie A. Beardslee, born 4 August 1925, served in the U.S. Marine Corps, a PFC,  from 2 October 1943 to 15 February 1946 (Hqs Squadron 51, Marine Air Support, Mojave, CA, & 3rd MAW, Mag-51, Polloksville Field, New Bern, NC). He served overseas from 15 May 1945 to 11 November 1945 (Carrier Aircraft Detachment Five). He died 2 December 1986 and is buried in the Sunset Hill Cemetery, Herington, Dickinson Co., Kansas. 

Leslie A. Beardslee

P-38 Lightning fighter