General Notes

Katherine Roët was born circa 1350.
She was the daughter of Sir Payne Roët.

She married, firstly, Sir Hugh Synford before 1367 in St. Clement Danes Church, The Strand, London, England.
She married, secondly, John of Gaunt, Duke of Lancaster, son of Edward III, King of England and Philippe de Hainaut, on 13 January 1396 in Lincoln, Lincolnshire, England.

She died on 10 May 1403 in Lincoln, Lincolnshire.1 She was buried in Lincoln Cathedral, Lincoln, Lincolnshire, England.

From before 1367, her married name became Synford. She and John of Gaunt, Duke of Lancaster were associated between 1371 and 1372. She was invested as a Lady Companion, Order of the Garter (L.G.) in 1388. Her married name became Beaufort.

Children of Katherine Roët and Sir Hugh Synford
Thomas Synford b. bt 1368 - 1372, d. 14321
Blanche Synford b. c 13701

Children of Katherine Roët and John of Gaunt, Duke of Lancaster
Sir John de Beaufort, 1st Earl of Somerset+ b. bt 1371 - 1373, d. 16 Mar 1409/10
Henry de Beaufort+ b. c 1375, d. 11 Apr 1447
Lady Joan de Beaufort+ b. c 1375, d. 13 Nov 1440
Thomas de Beaufort, 1st Duke of Exeter+ b. c Jan 1377, d. 27 Dec 1426