Regum et imperatorum apophthegmata

Plutarch

Plutarch. Moralia, Vol. III. Babbitt, Frank Cole, translator. Cambridge, MA: Harvard University Press; London: William Heinemann Ltd., 1931 (printing).

When he went over to Pompey s side, changing his mind again, and was asked by Pompey where he had left Piso, his son-in-law, he said, With your father-in-law ! [*](Pompey married Caesar’s daughter Julia as his fourth wife.)