 Hyrcanus II, the Roman-supported Hasmonean High Priest of Judea, fled Jerusalem to Gabinius to seek protection against his rival and son-in-law Alexander.Years earlier in 63 BC, the Roman general Pompey had captured him and his father, King Aristobulus II, during his war against the remnant of the Seleucid Empire.Pompey had deposed Aristobulus and installed Hyrcanus as Rome's client ruler over Judea.