David Crouch is a fellow of the British Academy and author of a number of editions of medieval documents, most recently The Acts and Letters of the Marshal Family (2015) for the Camden Society. He has written extensively on medieval politics and society, and was also editor of Volume 10 (Howden and Howdenshire) of the Victoria History of Yorkshire East Riding. David Crouch is a fellow of the British Academy and author of a number of editions of medieval documents, most recently The Acts and Letters of the Marshal Family (2015) for the Camden Society. He has written extensively on medieval politics and society, and was also editor of Volume 10 (Howden and Howdenshire) of the Victoria History of Yorkshire East Riding. LAURA L. GATHAGAN is an Associate Professor of History at the State University of New York, College at Cortland. She has published widely on medieval women's power. She is a Fellow of Antiquaries of London and a member of the Royal Society of Arts.