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Mephibosheth, or Meribbaal
This 6-year-old lost everything when his father, Jonathan, and grandfather Saul, the King of Israel, died in battle. Although he was left to live as a cripple in the Land of Nothing, or Lo Debar, his foster uncle David swore to his brother that he'd find his nephew and care for him, as seen in 2 Samuel: 9.

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