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In page Van Johnson:

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Johnson was born in Newport, Rhode Island, the only child[1] of Loretta (née Snyder) and Charles E. Johnson, a plumber and later a real-estate salesman. His father was born in Sweden and came to the United States as a young child, and his mother had Pennsylvania Dutch ancestry.[1] His mother was allegedly an alcoholic who left the family when he was a child, and he was not close to his father.[2]