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Male Albrecht I Of Brunswick Duke Click to view Albrecht I Of Brunswick Duke in the family tree

Albrecht I was born in 1236 in , , , Brunswick.  Albrecht I's father was Otto I Luneburg Of Brunswick Duke and his mother was Matilda Of Brandenburg Princess.  His paternal grandparents were William Longsword Of Brunswick Lun Duke and Helen Of Denmark Princess; his maternal grandparents were Albert II Of Brandenburg Margrave and Mathilde Of Lausitz Of Lower Lusatia Princess. He had four sisters named Margarethe, Helene Luneberg, Adelheid Luneburg and Agnes.  He was the third oldest of the five children.  He died at the age of 43 on August 15th, 1279.  He was buried in August 1279.


Albrecht I's first family with Adelheid (Allesina) Of Montferrat Princess

‌Albrecht I and Adelheid (Allesina) were married in a religious ceremony in 1263.  They had a daughter named Mathilde Grubenhagen.


Albrecht I's second family with Elizabeth Of Brabant Countess

They had two sons named Albert II (The and Heinrich I and Grubenhagen.

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