Mary Sidney (1561-1621), the daughter of Sir Henry Sidney and younger sister of Philip Sidney. Although she received little formal education, she grew up surrounded by books and intellectual stimulation. She married the Earl of Pembroke in 1577. After the death of her brother in 1586, she oversaw publication of his works, including Arcadia, and completed his translation of the Psalms. She also translated Garnier's Antonie, De Mornay's Discourse of Life and Death and Petrarch's Triumph of Death, as well as writing some original poetry.