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Male Cornelius Slack Click to view Cornelius Slack in the family tree

Cornelius was born in July 1742 in Lower Wakefield,Bucks,Pennsylvania.  Cornelius' father was John Slack and his mother was Jane Winder.  His paternal grandparents were Cornelius Hendrickse Slack and Johanna Van De Water; his maternal grandfather was Thomas Winder and his maternal grandmother is Sara Bull. He had seven brothers and a sister, named Thomas, Joseph, Timothy, John, Philip, Noah, Benjamin and Elizabeth.


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