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In page Bertha of Hereford:
"Bertha's paternal grandparents were Walter FitzRoger de Pitres, Sheriff of Gloucester and Bertha de Balun of Bateden,[5] a descendant of Hamelin de Balun.[citation needed] Her maternal grandparents were Bernard de Neufmarché, Lord of Brecon, and Nesta ferch Osbern.[6] The latter was a daughter of Osbern FitzRichard of Richard's Castle, and Nesta ferch Gruffydd.[7] Bertha was a direct descendant, in the maternal line, of Gruffydd ap Llywelyn (1007- 5 August 1063) and Edith (Aldgyth), daughter of Elfgar, Earl of Mercia.
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