Wu's brother, Wu Huo-yen, was determined to carry out Wu's dying wish to see Iruan raised in the Wu family, and so petitioned the Kaohsiung District Court for custody. In the meantime, Iruan's grandmother in Brazil retained a lawyer in Taiwan to file a custody action.
吳憶樺的叔父吳火眼為完成胞兄讓孩子「認祖歸宗」的遺願，向高雄地方法院聲請選任監護人，吳憶樺在巴西的外婆也委任台灣律師，向高雄法院提起交付子女之訴。