Parents

• John Wemyss Sir (1560–1622)
• Mary Anne Stewart of Doune

Spouses

• Jean Gray (?–1639)

Siblings

• David Wemyss (1583–1608)
• Cecilia Wemyss
• Janet Wemyss
• Isobel Wemyss
• Catherine Wemyss

Children

• David "Lord_Elcho" Wemyss 2nd Earl (1610–1679)
• Mary Wemyss
• Anna Wemyss
• Jean Wemyss
• Elizabeth Wemyss (1610–?)
• Catherine Wemyss

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