John Cogan - Pedigree | FamilyCentral
 Abt 1384 - Bef 26 Aug 1412
 Abt 1376 - Bef 14 Nov 1382
 1368 -
 Abt 1340 - 22 Jul 1382
 Abt 1344 - 21 Aug 1400
 9 Oct 1299 - 20 Apr 1368
 1286 - 20 Feb 1314
 Abt 1286 -
  Children