| Thomas MOWBRAY "1st Duke of Norfolk" |
Ralph de NEVILLE "1st Earl of Westmoreland" (1363 - 1425) |
| Elizabeth Fitz ALAN "Lady" (<1375 - 1425) |
Joan BEAUFORT "Countess" (~1379 - 1440) |
| John de MOWBRAY "Duke of Norfolk" | "Lady" Katherine NEVILLE |
| b. d. bur. occ. edu. rel. cod. |
b. abt 1397 d. aft 1483 bur. occ. edu. rel. cod. |