When she was young her father came to claim her as his child. Her mother did not want her to leave, and said that Oberyn might not have been the father, to which Oberyn struck her. She cried, and Oberyn offered Obara a spear, allowing her to choose which weapon she preferred. She chose the spear and became a warrior. She spent some time in the Water Gardens as a child.
A Feast for CrowsEdit
Obara visits the Water Gardens to confront her uncle, Prince Doran Martell, on what he intends to do about her father's death at the hands of Ser Gregor Clegane. She has a confrontation with Areo Hotah, befor Doran says she may enter. Areo believes he could defeat Obara in a fight.
Obara suggests going to war with House Baratheon, and would lead the Martell army up the Prince's Pass, whilst her sister, Nymeria Sand leads another up the Stoneway. She intends to burn Oldtown and utilize its riches. She is taken under arrest by Areo under orders of Doran after the Prince tries to avoid a war.