Thomas Willoughby - Pedigree | FamilyCentral
 Abt 1387 - Aft 1432
 1370/75 - 6 Dec 1409
 Abt 1367 - Aft 1405
 Abt 1327 - 26 Aug 1382
 Abt 1314 - 20 Jan 1386
 1 May 1285 - 17 Nov 1326
 Abt 1285/87 - 31 May 1338
 3 Feb 1267 - 9 Mar 1302
 Abt 1271 - 2 Oct 1292
 Abt 1260 - 19 Dec 1285
 Abt 1264 - 21 Nov 1293
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