Nielsen Hayden genealogy
Ancestors of Hervé IV de Donzy
Abt 1173 - 1223 (~ 50 years) ┌── Hervé III de Donzy ( - Aft 1188)
Hervé IV de Donzy (Abt 1173 - 22 Jan 1223)
│ ┌── Guillaume III Gouët (Bef 1080 - Aft 1140)(m. Bef 1125) =>
│ ┌── Guillaume IV Gouët de Montmirail ( - 1169 Palestine)(m. Between 1150 and 1155)
│ │ └── Mabel of England ( - Aft 1125)(m. Bef 1125) =>
│ │
└── Mathilde Gouët
│
│ ┌── Thibaut IV of Blois, Champagne, and Troyes (Aft 1090 - 8 Jan 1152 Ligny, Wallonia)(m. 1123) =>
└── Isabelle of Blois (1130 - ??)(m. Between 1150 and 1155)
└── Mathilde of Carinthia ( - 13 Dec 1160 Fontevault, Maine-et-Loir, France)(m. 1123) =>