Sir Robert Southwell, the second son of Robert Southwell of Kinsale, was a student at Lincoln's Inn (1654) and Queen's College Oxford (B.A. 1655, created D.C.L. 1677); he was clerk of the privy council (1664) and knighted in 1665. Southwell was the English envoy to Portugal (1665-68), member of Parliament (1673-78, 1678-79, 1685-87), Secretary of State for Ireland in 1690, and President of the Royal Society (1690-95).
The history of the revolutions in Portugal ... with letters of Robert Southwell. 1740.
The Petty-Southwell correspondence, 1670-1687, ed. Marquis of Lansdowne. 1928.