Year of birth:	2341
Place of birth:	Trill
Education:	(host) Starfleet Academy, 2359-63
Marital status:	Married to Worf, 51247.5
Children:	None (current host)
Date of death:	2374
Place of death:	Deep Space 9

The biography of Jadzia Dax has to take two parts; that about the symbiot "Dax" who is about 300 years old and has had a number of hosts over the years, and that of the humanoid Trill woman, Jadzia. The symbiot has a colorful history, having been joined to no less than seven other hosts including a murderer. The host before Jadzia was Curzon Dax, a great mentor of Benjamin Sisko in his youth.

Jadzia was an attractive and brilliant young woman who worked very hard to get accepted for the Trill joining program. She was thrown out of the program after a poor report from Curzon Dax during the initiate assessment. She was then reaccepted into the program in an unprecedented move and finally became the host to Dax when Curzon died.