Disambiguation evidence for Philip I of Flanders via surface form

"Philip I, Count of Flanders (through marital alliance context)"

Triples (1)

Triples where some other subject referred to this entity as "Philip I, Count of Flanders (through marital alliance context)".

Alys of France, Countess of Vexin → stepSibling →
"Philip I, Count of Flanders (through marital alliance context)"
↳ resolves to Philip I of Flanders
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