1. Having no living or known mother

See also: parentless, unparented

• William Henry Hudson
• William Henry Mauldin
• William Henry Pratt
• William Henry Seward
• William Herschel
• William Hogarth
• William Holman Hunt
• William Holmes McGuffey
• William Hoover
• William Howard Taft
• William Hubbs Rehnquist
• William Hyde Wollaston
• William I
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