| John of Gaunt (1340 - 1399) |
Humphrey De Bohun |
| Blanche of Lancaster ( - 1369) |
| HENRY IV | Mary De Bohun |
| bd. 3 Apr 1367, Bolingbroke Castle, Lincolnshire occ. King of England 1399-1413 edu. rel. Weis "Ancestral Roots..." Line 1A-32. dd. 20 Mar 1412/1413, Westminster Palace brd. chd. Re. |
bd. 1368/1369 occ. edu. rel. dd. 4 Jul 1394, Peterborough, Northants brd. chd. Re. |
| Humphrey |