Nielsen Hayden genealogy
Ancestors of Ferdinand I, King of Leon
Abt 1016 - 1065 (~ 49 years)
┌── Sancho Garcés I "Abarca", King of Navarre 
(Abt 865 - 11 Dec 925)
(Abt 865 - 11 Dec 925) ┌── Garcia Sanchez I "el Tremuloso", King of Navarre (Abt 917 - 970)
(Abt 917 - 970) │ └── Toda Aznárez (Abt 885 - Aft 970) =>
(Abt 885 - Aft 970) => │
┌── Sancho Garcés II, King of Navarre (Aft 935 - Dec 994)(m. 962)
(Aft 935 - Dec 994)(m. 962) │ │
│ │ ┌── Galindo II Aznarez (Abt 870 - 922) =>
(Abt 870 - 922) => │ └── Andregoto Galìndez ( - 972)
( - 972) │ └── Sancha Garcés of Pamplona =>
=> │
┌── Garcia Sanchez II, King of Navarre (Abt 964 - Bef 8 Dec 999)(m. Bef 981)
(Abt 964 - Bef 8 Dec 999)(m. Bef 981) │ │
│ │ ┌── Gonzalo Fernandez (Abt 870 - Aft 920)
(Abt 870 - Aft 920) │ │ ┌── Fernán González (Abt 910 - Jun 970 bur.San Pedro of Arlanza, Hortigüela, Burgos,
│ │ │ Spain)(m. Abt 932)
(Abt 910 - Jun 970 bur.San Pedro of Arlanza, Hortigüela, Burgos, │ │ │ Spain)(m. Abt 932)
│ │ │ └── Muniadona Nuñez ( - Aft 5 Aug 935) =>
( - Aft 5 Aug 935) => │ │ │
│ └── Urraca Fernandez ( - Aft 1007)(m. 962)
( - Aft 1007)(m. 962) │ │
│ │ ┌── Sancho Garcés I "Abarca", King of Navarre (Abt 865 - 11 Dec 925)
(Abt 865 - 11 Dec 925) │ └── Sancha Sanchez de Navarre (Aft 900 - Dec 959)(m. Abt 932)
(Aft 900 - Dec 959)(m. Abt 932) │ └── Toda Aznárez (Abt 885 - Aft 970) =>
(Abt 885 - Aft 970) => │
┌── Sancho Garcés III "el Mayor", King of Navarre (Abt 990 - 18 Oct 1035)(m. 1010)
(Abt 990 - 18 Oct 1035)(m. 1010) │ │
│ │ ┌── Fernándo Vermodéz ( - Aft 978)
( - Aft 978) │ └── Jimena Fernandez ( - Aft 1035)(m. Bef 981)
( - Aft 1035)(m. Bef 981) │ │
│ │ ┌── Diego Muñoz de Saldana ( - Abt 951)
( - Abt 951) │ └── Elvira Diaz
│ └── Tigridia
│
Ferdinand I, King of Leon (Abt 1016 - 27 Dec 1065 León, León, Spain)
│
│ ┌── Gonzalo Fernandez (Abt 870 - Aft 920)
(Abt 870 - Aft 920) │ ┌── Fernán González (Abt 910 - Jun 970 bur.San Pedro of Arlanza, Hortigüela, Burgos,
│ │ Spain)(m. Abt 932)
(Abt 910 - Jun 970 bur.San Pedro of Arlanza, Hortigüela, Burgos, │ │ Spain)(m. Abt 932)
│ │ └── Muniadona Nuñez ( - Aft 5 Aug 935) =>
( - Aft 5 Aug 935) => │ │
│ ┌── Garcia Fernandez (Abt 938 - Between 18 Apr 995 and 19 Jul 995)
(Abt 938 - Between 18 Apr 995 and 19 Jul 995) │ │ │
│ │ │ ┌── Sancho Garcés I "Abarca", King of Navarre (Abt 865 - 11 Dec 925)
(Abt 865 - 11 Dec 925) │ │ └── Sancha Sanchez de Navarre (Aft 900 - Dec 959)(m. Abt 932)
(Aft 900 - Dec 959)(m. Abt 932) │ │ └── Toda Aznárez (Abt 885 - Aft 970) =>
(Abt 885 - Aft 970) => │ │
│ ┌── Sancho Garcia (Abt 965 - 5 Feb 1017 bur.San Salvador de Oña, Burgos, Spain)
(Abt 965 - 5 Feb 1017 bur.San Salvador de Oña, Burgos, Spain) │ │ │
│ │ │ ┌── Bernardo I =>
=> │ │ │ ┌── Raimundo II ( - Aft 970)
( - Aft 970) │ │ │ │ └── Toda Galindez de Aragon =>
=> │ │ │ │
│ │ └── Ava of Ribagorza ( - Aft 995 bur.San Pedro de Cardena, Castrillo del Val, Burgos, Spain)
( - Aft 995 bur.San Pedro de Cardena, Castrillo del Val, Burgos, Spain) │ │
└── Munia Mayor of Castile ( - 1032 or After 1066)(m. 1010)
( - 1032 or After 1066)(m. 1010) │
│ ┌── Diego Muñoz de Saldana ( - Abt 951)
( - Abt 951) │ ┌── Gomez Diaz ( - Abt 987)
( - Abt 987) │ │ └── Tigridia
│ │
└── Urraca Gomez ( - 20 May 1025)
( - 20 May 1025) │
│ ┌── Gonzalo Fernandez (Abt 870 - Aft 920)
(Abt 870 - Aft 920) │ ┌── Fernán González (Abt 910 - Jun 970 bur.San Pedro of Arlanza, Hortigüela, Burgos,
│ │ Spain)(m. Abt 932)
(Abt 910 - Jun 970 bur.San Pedro of Arlanza, Hortigüela, Burgos, │ │ Spain)(m. Abt 932)
│ │ └── Muniadona Nuñez ( - Aft 5 Aug 935) =>
( - Aft 5 Aug 935) => │ │
└── Munia Fernández
│
│ ┌── Sancho Garcés I "Abarca", King of Navarre (Abt 865 - 11 Dec 925)
(Abt 865 - 11 Dec 925) └── Sancha Sanchez de Navarre (Aft 900 - Dec 959)(m. Abt 932)
(Aft 900 - Dec 959)(m. Abt 932) └── Toda Aznárez (Abt 885 - Aft 970) =>
(Abt 885 - Aft 970) =>