"Mortimer of Wigmore" refers to a prominent noble family in medieval England, particularly associated with the Wigmore Castle in Herefordshire. The family rose to power during the 12th and 13th centuries, playing significant roles in the political landscape of the time. The most notable member, Roger Mortimer, became the 1st Earl of March and was influential during the reign of Edward II. The Mortimers were known for their conflicts with the Plantagenets and their involvement in the English Civil War, which shaped the course of English history.