How unbelievably tall might Og king of Bashan have been?

ANSWER

12 to 13 feet tall.

Deuteronomy 3 :

(11) (Og king of Bashan was the last of the Rephaites. His bed was decorated with iron and was more than nine cubits long and four cubits wide. It is still in Rabbah of the Ammonites.)

(nine cubits long and four cubits wideis about 14 feet long and 6 feet wide)
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