Parents

• Philip Thomas Jr. (1727–1784)
• Anne Harris (1754–?)

Spouses

• Sarah Margaret Weems (1765–1824)

Siblings

Children

• Philip Thomas IV (1783–1848)
• Catherine Thomas (1785–?)
• Anne Weems Thomas (1787–?)
• John Weems Thomas (1789–1834)
• James Thomas (1792–1826)
• Mary Thomas (1795–?)
• William Thomas (1796–?)
• William Thornton Thomas (1797–?)
• Thomas
• Thomas
• Thomas

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