The Field of the Cloth of Gold started on 7 June 1520. It took place between Guînes and Ardres, in France, near Calais, from 7 June to 24 June 1520. It was a meeting arranged to increase the bond of friendship between King Henry VIII of England and King Francis I of France following the Anglo-French treaty of 1514.

“The Field of the Cloth of Gold” British School, 16th century (artist) c.1545 (Royal Collection under Wiki Commons)
Among those present was the widowed Lady Maud Parr and 1 woman; Lady Joan Guildford the elder (Joan Vaux, sister of Katherine Parr’s uncle-in-law AND step-grandfather Sir Nicholas, Lord Vaux of Harrowden) and 2 gentlewomen; Lady Vaux (most likely Catherine’s maternal aunt, Anne Green (d.1523)) and 1 woman; and Lady Mary Parr (Mary Salisbury, wife of Katherine’s uncle, William, Lord Parr of Horton) and 1 woman. These women accompanied and attended the queen, Katherine of Aragon.