Ana Maria S. A. Rodrigues is a specialist in Medieval Queenship. She has recently edited, with M. Santos Silva and A. Leal de Faria, four volumes on the marriages of the Portuguese Royal House (Casamentos da Familia Real Portuguesa, Lisboa, Circulo de Leitores, 2017-2018). She is Associate Professor at the University of Lisbon. Manuela Santos Silva is Adjunct-Professor at the University of Lisbon and specialist in Western Medieval Monarchy and Gender. She has recently edited, with Ana Maria S. A. Rodrigues and A. Leal de Faria, four volumes on the marriages of the Portuguese Royal House and before that, with Ana Maria S. A. Rodrigues and Isabel dos Guimaraes Sa,18 volumes on the Queens of Portugal. Jonathan W. Spangler is a specialist in the history of monarchy, particularly of France. His previous monographs include The Society of Princes (2009), and he is currently completing a survey of the lives of second sons in the French monarchy. He is Senior Lecturer in Early Modern History at Manchester Metropolitan University, and Senior Editor of The Court Historian.