He is married to Arabella Stuart.
They got married on June 22, 1610 at Essex, England, he was 22 years old.
Spouse: William Seymour, 2nd Duke of Somerset, 1st Marquess of Hertford, KG, KB
William Seymour, 2nd Duke of Somerset, 1st Marquess of Hertford, KG, KB<br>Gender: Male<br>Alias name: William Seymour 2nd Duke of Somerset, 2nd Duke of Somerset, Viscount Beauchamp, 2nd Earl of Hertford, Duke Somerset, Marquis and Earl Hertford<br>Birth: Sep 1 1587 - Great Bedwyn, Wiltshire, England<br>Occupation: Lieutenant General, Member of Parliament for Marlborough in Wiltshire, Knight of the Garter, Knight of the Bath, 2nd Earl of Hertford, 2nd Duke of Somerset<br>Marriage: Spouse: Frances Seymour (born Devereux) - Mar 3 1616 - Staffordshire, England, United Kingdom<br>Death: Oct 24 1660 - Essex House, Strand, London, England<br>Burial: Nov 1 1660 - Great Bedwyn, Wiltshire, England<br>Father: Edward Seymour, Viscount Beauchamp<br>Mother: Honora Seymour (born Rogers), Viscountess Beauchamp<br>Wives: Arbella Stuart, Frances Seymour (born Devereux)<br>Children: Jane Boyle (born Seymour), Viscountess Dungarvan, Baroness Clifford, Frances Darcy (born Seymour), William Seymour, Judith Ann Ransone (born Seymour), John Seymour, 4th Duke of Somerset, Robert Seymour, Henry Seymour, Mary Finch (born Seymour), Edward Seymour Beauchamp<br>Siblings: Edward Beauchamp Seymour, Viscount Beauchamp, Francis Seymour, 1st Baron Seymour of Trowbridge, Anne Seymour, Honora Sutton (born Seymour), ;Mary Seymour
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