She was a lady-in-waiting to Mary, Queen of Scots until 1567. She was for a time highly in favour among the queen's courtier.Rosalind K. Marshall, Queen Mary's Women: Female Relatives, Servants, Friends, and Enemies of Mary, Queen of Scots (John Donald: Edinburgh, 2006), The other maids of honour in 1566 were Lucrece Beaton, who married David Beaton of Melgund, Mademoiselle de Thoré, and Barbara Sandilands.Joseph Robertson, Inventaires de la Royne Descosse (Edinburgh, 1863), pp. lvi-vii.
