Her parents were Juliana McLachlan and David Gardiner. Her parents belonged to a famous and wealthy family of New York. From her childhood, Juliana got training to move in high society. When she was just a girl of 15 in 1835, she went to tour Europe with her family. There she saw a social life of much glamour. In late 1842, she along with her parents went to Washington DC. In Washington DC, she attracted the attention of several men. One of them was President Tyler, a widower since September 10 1842.