John de Geneville was a notable figure in the 13th century, known for his role as a French nobleman and English landowner. Born around 1285, he became the Lord of Trim in Ireland and was a prominent supporter of the English crown during the conflicts of his time. His family had significant ties to both France and England, which influenced his political and social standing. Throughout his life, de Geneville was involved in various military campaigns and held several important positions. He was a key player in the governance of Ireland and worked to maintain peace and order in the region. His legacy includes contributions to the development of Anglo-Irish relations during a tumultuous period in history.