Sir Thomas Mildmay (ca.
He was born the eldest son of Thomas Mildmay (before 1515–1566), educated at Christ's College, Cambridge and entered Lincoln's Inn in 1559.
He was then knight of the shire (MP) for Essex in 1571.
[1] He married firstly Lady Frances Radclyffe, daughter of Henry Radclyffe, 2nd Earl of Sussex, with whom he had three sons and a daughter and, secondly, Margaret Whettle (or Whitwell).
[1] His daughter, Anne, married Sir Roger Appleton, 1st Baronet.