Disambiguation evidence for Countess of Derby via surface form
"Sibyl Marshal, Countess of Derby"
Triples (1)
Triples where some other subject referred to this entity
as "Sibyl Marshal, Countess of Derby".
Isabel de Clare, 4th Countess of Pembroke
→
child
→
"Sibyl Marshal, Countess of Derby"
ⓘ
↳ resolves to Countess of Derby