She was born about 1397 in Nettlestead, Gloucestershire, England, and married John de Ros, 7th Baron de Ros.
His paternal grandparents were Sir Robert Constable of Flamborough, Yorkshire, and Agnes Wentworth, daughter of Sir Roger Wentworth, esquire, of Nettlestead, Suffolk, and Margery le Despencer.
Margery Allingham | Francis Dashwood, 15th Baron le Despencer | Edward le Despencer, 1st Baron le Despencer | Baron le Despencer | Philip Despencer | Margery Kempe | Philip le Despencer, 2nd Baron le Despencer | Margery Wentworth | Margery Sharp | Margery le Despencer | Margery Fish | James Despencer-Robertson |