Jean de Compiègne or Jehan de Conpiegne was a French tailor who served Mary, Queen of Scots, in Scotland and England. He is frequently mentioned in her accounts and in her letters. His name appears in
Mary, Queen of Scots in the 1560s
Michel de Castelnau, Sieur de la Mauvissière was a French soldier and diplomat, ambassador to Queen Elizabeth I. He wrote a memoir covering the period between 1559 and 1570.
Michel de Castelnau, by Jaspar Isaac
Portrait medal of Michel de Castelnau, Sieur de la Mauvissière, by Steven van Herwijck, 1565
Mary, Queen of Scots, wrote many letters to Castelnau
Francis Walsingham was able to monitor Castelnau's correspondence