Cossinius
2. L. Cossinius, a Roman knight and son of the preceding (Cic. pro Balb. 23), was a friend of Cicero, Atticus, and Varro. Cicero mentions his death in B. C. 45, and expresses his grief at his loss. (Cic. Att. 1.19, 20, 2.1, ad Fam. 13.23; Varr. R. R. 2.1; Cic. Att. 13.46.)
From William Smith (ed.), Dictionary of Greek and Roman Biography and Mythology. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.