PelethEaston's DictionarySwiftness. (1.) A Reubenite whose son was one of the conspirators against Moses and Aaron (Num. 16:1).(2.) One of the sons of Jonathan (1 Chr. 2:33).Smith's Dictionary(swiftness). The father of On the Reubenite who joined Dathan and Abiram in their rebellion. (Numbers 16:1) (B.C. 1490.) Son of Jonathan and a descendant of Jerahmeel. (1 Chronicles 2:33)