Ibria de Trevers Heiress of Burgh-by-Sands

   Another name for Ibria is Ibria d'Estrivers.

  Noted events in her life were:

• Background Information. ⁹⁴⁹
Ranulf Engaine, married the heiress of Robert d'Estrivers, and with her acquired the barony of Burgh in cumberland, which their grand-daughter brought to her husband de Morevilla.

~Early Scottish Charters, p. 309

Ibria married Ranulf d’Engaine.⁹⁴⁹