Bertha of Hereford

Bertha of Hereford, also known as Bertha de Pitres (born c.1130), was the daughter of Miles de Gloucester, 1st Earl of Hereford, and a wealthy heiress, Sibyl de Neufmarché. She was the wife of William de Braose, 3rd Lord of Bramber to whom she brought many castles and Lordships, including Brecknock, Abergavenny, and Hay.

Bertha was born in England in about 1130. She was a daughter of Miles, Earl of Hereford (1097- 24 December 1143) and Sibyl de Neufmarché. She had two sisters, Margaret of Hereford, who married Humphrey II de Bohun, by whom she had issue, and Lucy of Hereford, who married Herbert FitzHerbert of Winchester, by whom she had issue. Her brothers, included Roger Fitzmiles, 2nd Earl of Hereford, Walter de Hereford, Henry Fitzmiles, William de Hereford, and Mahel de Hereford.

Her paternal grandparents were Walter FitzRoger de Pitres, Sheriff of Gloucester and Bertha de Balun of Bateden, a descendant of Hamelin de Balun, and her maternal grandparents were Bernard de Neufmarché, Lord of Brecon, and Nesta ferch Osbern. The latter was a daughter of Osbern FitzRichard of Richard's Castle, and Nesta ferch Gruffydd. 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.