Effigies of Margaret de Bohun and her husband Hugh de Courtenay, 10th Earl of Devon, south transept, Exeter Cathedral. Two Bohun swans, the heraldic device of Bohun, are shown with their necks intertwined at Margaret's feet.
Bohun heraldic swans collared and chained with necks intertwined at feet of effigy of Margaret de Bohun. The Bohun swan can be seen above the escutcheon on her father's seal formerly attached to the Barons' Letter, 1301. A lion serves as the footrest of her husband.