Gerhard Von Hofenstein Of Koln Count 
Gerhard Von Hofenstein's father is Heinrich III Of Koln Burgrave. His paternal grandparents are Eberhard II Von De Cologne Burgrave and Adelhaid Von Molsberg Of Frensburg Countess. He was an only child. He died in 1252. He was buried in 1252.
They had a son named Johan I.
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Children
Johan I Arberg von Koln Burggraf
Johan I was born in Arberg. He died in 1280. He was buried in 1280.
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