Count Adalbert of Hegau I
Adalbert was born in 0800.¹   He died at the age of 50 in 0850.¹ 

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 Count Adelbert (The Illustrious) of Thurgau
Adelbert, known as The Illustrious, was born in 0837 in Thurgau, Switzerland.²   He died at the age of 68 on June 6th, 0905 in Germany.²