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Male Dietrich (Thierry) d'Alsace of Lorraine Click to view Dietrich (Thierry) d'Alsace of Lorraine in the family tree

Dietrich (Thierry) d'Alsace of's father was Dietrich II of Alsace and Upper Lorraine and his mother was Gertrude of Flanders.  His paternal grandparents were Gerhard IV of Alsace and Chatenois and Hedwig of Namur; his maternal grandparents were Robert I the Frisian of Flanders and Gertrude of Saxony. He had a brother and a sister, named Theodore de Alsace of and Gertrude Petronel of. He had a half-brother and two half-sisters, named Simon I, Gisela of and Adelaide of.


Dietrich (Thierry) d'Alsace of's family with Sybill of Anjou

‌Dietrich (Thierry) d'Alsace of and Sybill of were married in a religious ceremony in 1134.  They had two sons and a daughter, named Matthew von Lothringen of, Phillippe le Grand de Flanders & and Margaret de Lorraine of.

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