I don’t think “Lady” is the crazy lady’s first name… the video from the Austin Chronicle article mentions her being a “Knight of Justice,” which seems to be a British noble organization.

Lady Theresa Thombs Sang at the Fort Worth REligious Freedom

The modern re-foundation of the Order, a charitable institution, dates back to the 19th century. The former Grand Master H.E. Dr. Sir Sydney Lawrence († 1988, London), Knight Grand Cross of Justice, developed the Order of the Knights of Justice considerably after World War II and brought the Order in a condition to be suitable for the Third Millennium. The current Grand Master of the Order is H.E. Prof. Dr. Paul A. Zammit-Lewis, former Maltese Consul General, member of O.S.J. Malta and Knight Grand Cross of Justice. A Royal Protectorate and Recognition has been given by several Royal Houses in Europe.

The Chivalric Order of the Faithful Knights of Justice was originated as a Christian Militia placed under the protection of King Edward, Saint George and Saint Michael the Archangel, to protect the pilgrims and supported the crusade. The principal duty of the Knights of Justice is the diffusion of Christian values, to help the needy and the oppressed, and through the Knights and Dames, help the poor and the sick. Today the Order doesn’t look after military traditions any more and the Order operates to the codes of peace and moral ethics consistent with their own principles and beliefs. The aim of the Order is to promote and maintain the principles of Chivalry, and to support the Order’s ethics for living in world peace and human harmony.