John, Marquess of Dorset Beaufort
1373 - 1410 (37 years)-
Name John, Marquess of Dorset Beaufort Birth 1373 Gender Male Death 16 Mar 1410 St Katherine by the To 
Patriarch & Matriarch 
Geoffrey, Count Of Anjou Plantagenet, b. 24 Aug 1113, Anjou, Franced. 7 Sep 1151, Chateau Eure (Age 38 years) (6 x Great Grandfather) 
Catherine Swynford, b. 1350 d. 10 May 1403, Lincoln, Eng (Age 53 years) (Mother) Siblings 1 sister 1. John, Marquess of Dorset Beaufort, b. 1373 d. 16 Mar 1410, St Katherine by the To (Age 37 years)
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Margaret Holland d. Yes, date unknown , m. 28 Sep 1397 2. Joan Beaufort d. Yes, date unknown
▻Ralph Neville d. Yes, date unknown
▻James I King Of Scots, b. Dec 1394 d. 21 Feb 1437 (Age 42 years), m. 1424 Half-siblings 1 half sister (family of John Of Gaunt Duke Of Lancaster and Constanza Of Castile) 1. Catherine _____, b. 1372 d. 1418 (Age 46 years)
▻Henry III King Of Castile & Le d. Yes, date unknown Half-siblings 1 half brother and 1 half sister (family of John Of Gaunt Duke Of Lancaster and Blanche Of Lancaster) 1. Philippa _____, b. 1360 d. 1415 (Age 55 years)
▻John King Of Portugal d. Yes, date unknown 2. Henry IV King Of England, b. Apr 1366 d. 20 Mar 1413 (Age 46 years)
▻Mary De Bohun d. 1394 , m. 1380 Person ID I1835 Amling Last Modified 12 Oct 2013
Father John Of Gaunt Duke Of Lancaster, b. Mar 1340, Ghent, Flanders d. 3 Feb 1399, London (Age 58 years)
Other Partners: Constanza Of Castile; Blanche Of LancasterMother Catherine Swynford, b. 1350 d. 10 May 1403, Lincoln, Eng (Age 53 years) Marriage 13 Jan 1396 Family ID F616 Group Sheet | Family Chart
Family Margaret Holland d. Yes, date unknown Marriage 28 Sep 1397 Children 2 sons 1 . Henry, Earl of Somerset Beaufort, b. 1401 d. 1418 (Age 17 years)2 . John, Duke of Somerset Beaufort, b. 1403 d. 1444 (Age 41 years)Family ID F653 Group Sheet | Family Chart Last Modified 28 Mar 2023
