Gadzira shanduro yakaoma kunzwisisa yemutsara uyu Blanche weLancaster (March 25, 1345 - September 12, 1369 Bolingbroke Castle) Countess weDerby aive mukadzi wechiNgezi uye mugari wenhaka.
Zvechokwadi, shanduro yakaoma zvikuru yemutsara ndeyekuti "Blanche weLancaster (March 25, 1345 - September 12, 1369 Bolingbroke Castle) aiva mukadzi wechiNgezi, mwanasikana waHenry weGrosmont, 1st Duke weLancaster nemudzimai wake Isabel de Beaumont. "