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Birth:          ABT 1045 of Bar-le-Duc, Meuse, France
Death:          2 Jan 1105 

Notes
https://en.wikipedia.org/wiki/Theodoric_I,_Count_of_Montb%C3%A9liard
Theodoric I (French: Thierry) (ca. 1045 – 2 January 1105) was a Count of Montbéliard, 
Count of Bar and lord of Mousson (as Theodoric II) and Count of Verdun. He was the 
son of Louis, Count of Montbéliard, and Sophie, Countess of Bar and Lady of 
Mousson.

After his father's death, he claimed the estate of the Duchy of Lorraine, which his 
father had already claimed. The claim was dismissed by Emperor Henry IV, confirming 
the duchy to Theodoric the Valiant. In retaliation, he ravaged the diocese of Metz, but 
he was defeated by Adalbéron III, bishop of Metz, and the Duke of Lorraine Theodoric 
the Valiant. Reconciled with the Church, he founded an abbey in 1074 in Haguenau 
and rebuilt the church at Montbéliard in 1080. He did not participate at the Council of 
Clermont in 1095, or the Crusades, but rather sent his son Louis in the Crusades. In 
1100, the Bishop of Verdun gave the county to Thierry for life, but the relationship 
between the spiritual and temporal powers was turbulent.

In 1065 Theodoric married Ermentrude of Burgundy (1055–1105), daughter of William I, 
Count of Burgundy, and Stephanie. They had the following issue:
Theodoric II (1081–1163), Count of Montbéliard
Louis, who became a crusader, returned in 1102 and was assassinated in 1103
Frederick I († 1160), Count of Ferrette and Altkirch
Reginald I (1090–1150), Count of Bar and lord of Mousson
Stephen (†1162), bishop of Metz
William, who died before 1105
Hugh, cited in 1105, probably religious, because he did not share his father's 
possessions
Gunthilde (†1131), abbess of Biblisheim
Agnes, married in 1104 (†1136)

Parents
____ Louis II (1019 - ABT 1072)
OF BAR Sophie (Sophia) (ABT 1018 - 1093)

Siblings
____ Theodoric I (Thierry II) (Dietrich I) (ABT 1045 - 2 Jan 1105)

Marriage To DE BOURGOGNE Ermentrude (ABT 1060 - AFT 8 Mar 1105)
    m. 1065 

Notes

Parents
DE BOURGOGNE William (Guillaume) I "the Great" (1020 - 12 Nov 1087)
DE LONGWY Stephanie (ABT 1035 - AFT 1088)

Children by DE BOURGOGNE Ermentrude ABT 1060 - AFT 8 Mar 1105
DE MONTBELIARD Theodoric II (Thierry II) (ABT 1081 - Jan 1163)
OF BAR Mechtild (ABT 1086 - )
____ Reginald I (Renaud I) (ABT 1090 - 10 Mar 1149)

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