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In page Johnny Unitas:

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When Unitas was five years old, his father died of cardiovascular[citation needed] renal disease complicated by pneumonia, leaving the young boy and his siblings to be raised by their mother. When some relatives wanted to split up her children to different homes she refused, determined to keep the family together. She continued the coal delivery business, and worked as an office cleaner four nights a week, from 10 pm to 6 am.[4][3]