Disambiguation evidence for Llywelyn ap Seisyll via surface form

"Llywelyn ap Seisyll"

Triples (1)

Triples where some other subject referred to this entity as "Llywelyn ap Seisyll".

Gruffudd ap Llywelyn → father →
"Llywelyn ap Seisyll"
↳ resolves to Llywelyn ap Seisyll
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