Disambiguation evidence for Joan of Ponthieu via surface form
"grandmother Joan, Countess of Ponthieu"
Triples (1)
Triples where some other subject referred to this entity
as "grandmother Joan, Countess of Ponthieu".
Henry, son of Edward I
→
relative
→
"grandmother Joan, Countess of Ponthieu"
ⓘ
↳ resolves to Joan of Ponthieu