Catherine De Roet, [DUCHESS OF LANC
1350 - 1403 (52 years)-
Name Catherine De Roet Suffix [DUCHESS OF LANC Birth 25 Nov 1350 Hainault, Belgium or Somme, Picardie, France 
Gender Female Occupation Duchess of Lancaster _FSFTID LZKP-XY5 _UID C99BDF6A85F0784CB5E01BA144B66F55F515 Burial 3 Aug 1385 Stamford, South Kesteven District, Lincolnshire, England Death 10 May 1403 Lincoln Cathedral, Lincoln, Lincolnshire, England Person ID I11604 Ken Tree Last Modified 3 Nov 2019
Father Payn De Roet, [SIR KNIGHT GUIE, b. Abt 1310, Of, HAINAULT, HAINAULT, Belgium Mother Mrs-Payn De Roet, b. Abt 1315, Of, Picardy, Somme, France _UID BB90048B4E14ED4CB89713A4F83D18E7AF0E Family ID F5070 Group Sheet | Family Chart
Family 1 Hugh De Swynford, [Sir Knight] Marriage May 1366 St. Clements Dan, Westminster, Middlesex, England _UID 626BF9757A52F34C87CFA95DF4F169BCAC35 Family ID F7832 Group Sheet | Family Chart Last Modified 1 Apr 2026
Family 2 John "of Gaunt" England, [DUKE OF LANCAST, b. 24 Jul 1340, Ghent, East Flanders, Belgium d. 3 Feb 1399, Leicester Castle, Leicester, Leicestershire, England (Age 58 years) Marriage 13 Jan 1396/1397 , Lincoln, Lincolnshire, England _UID C320075358FBA64085305ACC9BE71E4A3B85 Children 1. John "Fairborn" Beaufort, [MARQUESS OF SOM, b. Abt 1371, Near Pottersgate, Lincolnshire, England d. 16 Mar 1409/1410, St Catherine By, London, Middlesex, England (Age 39 years)2. Joan De Beaufort, [COUNTESS OF WES, b. Abt 1375, Chateau De Beauf, Meuse-et-Loire, France d. 13 Nov 1440, , Howden, Yorkshire, England (Age 65 years)3. Thomas Beaufort, [DUKE OF EXETER], b. Abt Jan 1377, Chateau De Beauf, Meurthe-et-Mosel, ANJOU, France d. 31 Dec 1426, Greenwich Manor, East Greenwich, Kent, England (Age 49 years)4. Blanche Beaufort, b. Abt 1373, Beaufort Castle, ANJOU, France d. Bef 1397 (Age < 23 years)5. Henry "Cardinal" Beaufort, [BISHOP OF LINCO, b. Abt 1376, Chateau, De Beaufort, Meurthe-et-Mosel, France d. 11 Apr 1447, , Winchester, Hampshire, England (Age 71 years)Family ID F6496 Group Sheet | Family Chart Last Modified 1 Apr 2026
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Notes - From Ancestral File (TM), data as of 2 January 1996.
From Ancestral File (TM), data as of 2 January 1996.
- From Ancestral File (TM), data as of 2 January 1996.