Ruler of Bourbon. Name variations: Agness. Born in 1237; died Sept 7, 1288, in Bourbon; dau. of Count of Guy (or Gui) II de Dampierre and Mahaut I (r. 1215–1242); sister of Mahaut II (ruler of Bourbon, 1249–1262, ruler of Nevers, 1257–1266); granddau. of Mahaut de Courtenay (ruler of Nevers, 1182–1257); m. Jean de Bourgogne, also known as John of Burgundy, in Feb 1247; children: Beatrix de Bourgogne (1257–1310), ruler of Bourbon (r. 1287–1310).
On death of sister Mahaut II (1262), inherited the barony of Bourbon and held it until her death.
See also Women in World History.