| John DE MOWBRAY 3rd Baron Of Mowbray |
Lord John DE SEGRAVE 4th Baron Segrave (ca1320 - 1352) |
| Joan PLANTAGENET |
Duchess Margaret PLANTAGENET Of Norfolk (1320 - 1398) |
| John DE MOWBRAY 4th Baron Mowbray | Elizabeth DE SEGRAVE |
| b. ?, ?, England occ. edu. rel. d. 1368, Thrace br. ch. Flags. Maternal |
b. 25 Oct 1338, ?, ?, England occ. edu. rel. d. br. ch. Flags. Maternal |
| Sir Thomas MOWBRAY K. G. Eleanor MOWBRAY |