John 3rd Baron de , of Thirsk, Sir Mowbray - Pedigree | FamilyCentral
 29 Nov 1310 - 4 Oct 1361
 4 Sep 1286 - 23 Mar 1321/22
 Abt 1286 - Bef 20 Jul 1331
 1252 - Aft 1316
 1255 - Bef 1 May 1326
 1263 - 1328
 4 Aug 1222 - 15 Jul 1262
 Abt 1180 - 25 Oct 1230
 9 Oct 1200 - 17 Jan 1239/40