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Male Alain Ier De Tréguier Click to view Alain Ier De Tréguier in the family tree

Alain Ier was born about 1154.  Alain Ier's father was Henry Ier De Tréguier and his mother was Mahaut De Vendôme.  His paternal grandparents were Etienne Ier De Penthièvre and Havoise De Guinguamp; his maternal grandparents were Jean Ier De Preuilly and Berthe Du Puy Du Faou. He had two brothers and two sisters, named Geslin, Conan Ier, Nobilis and Alix Ière.  He was the second oldest of the five children.  He died on December 29th, 1212.


Alain Ier's first family with Alice Ou Adélaïde De L'aigle

‌Alain Ier and Alice Ou Adélaïde were married in a religious ceremony about 1204.  They had a son named Henry II.


Alain Ier's second family with Pétronille De Beaumont-Maine

They had a son named Geoffroy Ier.

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