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[Gene C]

Hint # 4

He attended West Point and graduated in the bottom half of his class. He served in the army for about 7 years.
He resigned from the army to marry his former commanding officer's daughter, against her father's wishes. This marriage lasted less than 90 days, his wife died.

When he remarries, almost 10 years later, it is to someone half his age, despite her parents initial concerns about his politics and age difference. The courtship lasted about three months.