Hugh D'Avranches, 1st Earl of Chester, b. ca. 1047, d. 27 July 1101

Father: Richard le Goz, Viscount of Avranches, b. ca. 1025 in Avranches, Normandy, France, d. 1066
Mother: Emma de Conteville, b. ca. 1043 in Conteville, France
Spouse: Ermentrude of Claremont
Married
The children after Matilda may not be those of Ermentrude. Hugh was known for having many illegitimate children.

Children:

  1. Richard D'Avranches, 2nd Earl of Chester, m. Lucia-Mahaut, d. 25 November 1120
  2. Matilda D'Avranches
  3. Maud D'Avranches
  4. Robert fitzHugh I
  5. Hugh "Lupus" D'Avranches II
  6. Helga de Kevelioc
  7. Geva D'Avranches
Children:
  1. Robert D'Avranches
  2. Otuel D'Avranches
  3. Giofu D'Avranches

Richard le Goz, Viscount of Avranches, b. ca. 1025 in Avranches, Normandy, France, d. 1066

Father: Toustien le Goz, b. ca. 989 in Normandy, France
Mother: Judith de Montanolier, b. ca. 994 in Normandy, France

Spouse: Emma de Conteville, b. ca. 1043 in Conteville, France

Father: Herluin, Viscount of Conteville, b. ca. 1001 in Conteville, France
Mother: Herlette (Arlette) de Falaise, b. ca. 1003 in Falaise, Normandy, France
Some sources now claim that Emma was probably not Richard's wife nor the mother of his children.
Married.

Children:

  1. Hugh D'Avranches, 1st Earl of Chester, b. ca. 1047, m. Ermentrude of Claremont, d. 27 July 1101
  2. Maud D'Avranches, b. ca. 1054 in Avranches, Normandy, France, m. Ranulf de Meschines, Viscount de Bayeux, ca. 1069 in Normandy, France

Toustien le Goz, b. ca. 989 in Normandy, France

Father: Ansfred (Ansfroi) II "le Dane" le Goz, b. ca. 963 in Normandy, France

Spouse: Judith de Montanolier, b. ca. 994 in Normandy, France

Married ca. 1014.

Children:

  1. Richard le Goz, Viscount of Avranches, b. ca. 1025 in Avranches, Normandy, France, m. Emma de Conteville, d. 1066

Ansfred (Ansfroi) II "le Dane" le Goz, b. ca. 963 in Normandy, France

Father: Ansfred I Rollosson, b. ca. 937 in Tillieres, Normandy, France
Mother: Helloe, Countess of Beulac, b. ca. 942 in Tillieres, Normandy, France
Spouse: Guimara Wymarche, b. ca. 986
Guimara is not likely the mother of Ansfred's children.

Children:

  1. Toustien le Goz, b. ca. 989 in Normandy, France, m. Judith de Montanolier, ca. 1014

Ansfred I Rollosson, b. ca. 937 in Tillieres, Normandy, France

Father: Rollo Thurstan Brico (Bigod), b. ca. 885 in Maer, Nord Trondelag, Norway
Mother: Gerlotte, b. 913 in Tillieres, Normandy, France

Spouse: Helloe, Countess of Beulac, b. ca. 942 in Tillieres, Normandy, France

Father: Godfrey (Ginbert), Count of Beulac, b. ca. 921 in Tillieres, Normandy, France
Married ca. 962.

Children:

  1. Ansfred (Ansfroi) II "le Dane" le Goz, b. ca. 963 in Normandy, France

Rollo Thurstan Brico (Bigod), b. ca. 885 in Maer, Nord Trondelag, Norway

Spouse: Gerlotte, b. 913 in Tillieres, Normandy, France

Married.

Children:

  1. Ansfred I Rollosson, b. ca. 937 in Tillieres, Normandy, France, m. Helloe, Countess of Beulac, ca. 962

Godfrey (Ginbert), Count of Beulac, b. ca. 921 in Tillieres, Normandy, France

Children:

  1. Helloe, Countess of Beulac, b. ca. 942 in Tillieres, Normandy, France, m. Ansfred I Rollosson, ca. 962