Family: John Beaufort Of Gaunt Plantagenet, 1st Earl of Somerset / Margaret Holland, Duchess Of Clarence (F3638)
m. 23 May 1399
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Male
John Beaufort Of Gaunt Plantagenet, 1st Earl of Somerset
Birth Abt 1373 Maine-Et-Loire, France 
Christening Aft 29 Jan 1373 Maine-Et-Loire, France Death 16 Mar 1410 London, England Burial Mar 1410 Kentshire, England Marriage 23 May 1399 Netherlands Father John Plantagenet, 1st Duke Of Lancaster | F1052 Group Sheet Mother Katherine De Roet, Duchess Of Lancaster | F1052 Group Sheet
Female
Margaret Holland, Duchess Of Clarence
Birth 30 Dec 1384 Lancastershire, England Death 30 Dec 1439 Surrey, England Burial 5 Jan 1440 Kentshire, England Father Thomas Holland, 2nd Earl Of Kent | F1453 Group Sheet Mother Alice Fitzalan, Countess Arundel | F1453 Group Sheet
Male
+ John Beaufort, 1st Duke of Somerset
Birth 25 Mar 1404 Middlesex, England Death 27 May 1444 Dorsetshire, England Burial 27 May 1444 Dorsetshire, England
Male
+ Edmund Beaufort, 1st Duke of Somerset
Birth 26 Sep 1406 Middlesex, England Christening 3 Apr 1404 Middlesex, England Death 22 May 1455 Herefordshire, England Burial 25 May 1455 Herefordshire, England Spouse Eleanor Beauchamp, Lady | F3513 Marriage 17 Dec 1423
Female
+ Joan Beaufort Plantaganet, Queen Of Scotland
Birth 27 Dec 1407 Middlesex, England Christening 1423 Berkshire, England Death 15 Jul 1445 East Lothian, Scotland Burial Perthshire, England Spouse James Stewart, King of Scotland | F873 Marriage 2 Feb 1424 London, England Spouse James Stewart, 9th Earl Of Carrick | F4319 Marriage Bef 21 Sep 1439 Scotland