Lady Katherine Grey

Katherine Seymour, Countess of Hertford was a younger sister of Lady Jane Grey.

25 August 1540

Born on the same birth day (25 August): Allyre Sirois • Anthony Heald • Bill Handel • Bret Harte • Bryce Mackasey • Doug Glanville • Franz Teyber • Louis I of Spain • Nathan Deal • William P. Foster

Born in the same month (August 1540): Joseph Justus Scaliger