LAT

Lewis Short

Lādon (noun M) : Λάδων.
* A river of Arcadia which flows into the Alphēus; the fabled father of Daphne: harenosus,Ov. M. 1, 702; Mel. 2, 3, 5; Sen. Q. N. 6, 25, 2; cf. Serv. Verg. E. 3, 63; id. ad Aen. 3, 91.
* The name of one of Actaeon's hounds, Ov. M. 3, 216.
Charlton T. Lewis, Charles Short, A Latin Dictionary

PIR

Male Personal name
Confirmed occurences in the Roman Empire:
Prosopographia Imperii Romani
memory