Abuuri nooc ka mid ah weedhan adag Blanche of Lancaster (March 25, 1345 - September 12, 1369 Bolingbroke Castle) Countess of Derby waxay ahayd haweenay Ingiriis ah oo sharaf leh iyo dhaxal sugaha.
Dabcan, nooc ka sii adag oo xukunka ah waa "Blanche of Lancaster (25 Maarso, 1345 - 12 Sebtember, 1369 Bolingbroke Castle) waxay ahayd haweenay Ingiriis ah oo sharaf leh, gabadha Henry of Grosmont, 1 Duke of Lancaster iyo xaaskiisa Isabel de Beaumont. "