Marmaduke Darcy (1615-1687) (1615–1687) Parents Conyers Darcy, 7th Baron Darcy de Knayth Dorothy Belasyse Children Siblings Mary Darcy Ursula Darcy Henry Darcy Conyers Darcy, 1st Earl of Holderness Thomas Darcy James Darcy Grace Darcy Barbara Darcy Dorothy Conyers Darcy Sir William Darcy Margaret Darcy Anne Darcy