Ève was the daughter of John de Bohun and Isabelle de Tregoz. The date and place of her birth have not been found.
Ève de Bohun
John de Bohun (1301-1367)
James de Bohun (<1281-c1306)
Joan de Braose (>1275-1324)
Isabelle de Tregoz (c1300-<1342)