Bailey Wayne is bruce wayne younger twin sister they have a good brother and sister relationship they are the children of Gotham 's billionaire philanthropist employed as a doctor Thomas and Martha Wayne there was no public schools in gotham so they was both home school in the Wayne Manor estate as she grew up bailey became interested in art and dream of becoming the best artist in gotham and her parents support her dreams and they brought her art stuff for her b-d and christmas when they was young they became friends with rachel dawes who is the daughter of there housekeeper
In Gotham City, after falling down a well and getting swarmed by bats, a young Bruce Wayne develops a fear of them. At the opera with there parents, Bruce becomes unsettled by performers masquerading as bats and asks to leave. Outside, mugger Joe Chill murders Bruce and bailey 's parents in front of them . Bruce and bailey is raised by the family butler, Alfred Pennyworth.
and also later bruce and bailey go to College gotham University and bailey will get a degree in arts and later fall in love with Jonathan Crane aka scarecrow who she meet at GU afther she graduates she later starts going out with him