Ancestry of
Katherine de Grandison

(c1304–1349)

Sibyl de Tregoz

View famous kin of Sibyl de Tregoz

• • Mother of Katherine de Grandison — 2nd Generation
  • Ahnentafel No:
  • 3 
  • Father:
  • John de Tregoz 
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  • William de Grandison
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  Katherine de Grandison (Ahnentafel No:1 )

• Sources for Sibyl de Tregoz

  • ¹ Richardson, Douglas, Royal Ancestry: A Study in Colonial and Medieval Families, Salt Lake City, Utah: Douglas Richardson (2013), Vol. IV, p. 115.