The Nuttall Encyclopedia
Lady of England
Title of Matilda, daughter of Henry I. and wife of Geoffrey Plantagenet, conferred on her by a council held at Westminster, 1141.
Wood, James, ed. Entry for 'Lady of England'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/l/lady-of-england.html. Frederick Warne & Co Ltd. London. 1900.