Background
William was the only son of Reginald II, Count of Burgundy and nephew to pope Calixtus II via his father, whilst his mother countess Régine of Oltingen was daughter of Conon, count of Oltingen, Bale in Swiss-Germany.
William was the only son of Reginald II, Count of Burgundy and nephew to pope Calixtus II via his father, whilst his mother countess Régine of Oltingen was daughter of Conon, count of Oltingen, Bale in Swiss-Germany.
William II died in 1125, the victim of a plot against him by his barons.