man Robert de Grey de Marmion‏‎, son of John de Grey II Baron Grey of Rotherfield and Avice de Marmion‏.
Born ‎ 1345 at Ravensworth, Yorkshire, England, died ‎ 1367‎, 21 or 22 years

Married/ Related to:

woman Lora St. Quentin‏‎, daughter of Herbert "Sir Hubert de St. Quentin" St. Quintin and Lora de Fauconberge‏.
Born ‎ 1342 at England, died ‎ 1369 at Brandsburton, Yorkshire, England‎, 26 or 27 years

Child:

1.
woman Elizabeth "Elizabeth de Marmion" de Grey‏
Born ‎ 1365 at England, died ‎ Dec 1427‎, 61 or 62 years