Jadzia

Jadwiga (Polish pronunciation: [jadˈviɡa]; diminutive Jadzia [ˈjadʑa]) is a Polish feminine given name. It originated from the old German Hedwig (compounded from hadu, "battle", and wig, "fight").
Jadwiga of Greater Poland, Queen of Poland and mother of Casimir III of Poland
Jadwiga of Żagań, Queen of Poland, wife of Casimir III of Poland (daughter-in-law of previous)
Jadwiga of Poland (1374–1399), (female) King of Poland, named after Saint Hedwig of Andechs
Jadwiga Jagiellon, several Polish princesses of that name
In fiction:
Jadzia, a humanoid host of Dax, a symbiont on Star Trek: Deep Space 9
Jadwiga, a fictional Nazi death camp in the 1974 TV mini-series "QB-VII" (and same-titled book by author Leon Uris).
Jadwiga, a fictional Nazi death camp mentioned in Magnum, P.I., Season 1, Episode 7, "Never Again . . . Never Again" (1981).
Jadwiga, a ghost in Esther Friesner's trilogy, Gnome Man's Land.
Jadwigai, a Kaunian character in Harry Turtledove's Darkness series.
Jadwiga, a character in Paul Mazursky's 1989 movie Enemies, a Love Story.

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Form of Hedwig: battle, warrior. Combine of hadu (battle, combat) and wig (war).

Jadwiga