He was knighted in 1596, when he was appointed as Ambassador to France during the reign of King Henry IV of France. "I always knew him," wrote Chamberlain soon after Mildmay had settled in Paris, "to be paucorum hominum, yet he hath ever showed himself an honourable fast frend where he found vertue and desert".[5] The French King complained of Mildmay's ungenial manner and of the coldness with which he listened to the praises of Robert Devereux, 2nd Earl of Essex. At an interview in March 1597 Henry ordered him out of his chamber and threatened to strike him.[6] He returned home later in the year, and declined an invitation to resume the post in 1598.[1]
Marriage and children
In 1567 he married Grace (d. 27 July 1620), a daughter and co-heiress of Sir Henry Sharington (or Sherington) of Lacock Abbey, Wiltshire, by whom he left an only child and heiress:
He died on 11 September 1617 and was buried in St Leonard's Church, Apethorpe, where his elaborate marble monument with recumbent effigies of himself and his wife survives.[7] His portrait survives at Emmanuel College, Cambridge.