Esiko's grandson was Otto, Count of Ballenstedt, who died in 1123. By Otto's marriage to Eilika, daughter of Magnus, Duke of Saxony, the Ascanians became heirs to half of the property of the House of Billung, former dukes of Saxony.
esiko's grandson was otto count of ballenstedt who died in 1123 by otto's marriage to eilika daughter of magnus duke of saxony the ascanians became heirs to half of the property of the house of billung former dukes of saxony