Henry VIII challenge

Where are Henry VIII wives? Can you write the co-ordinates for each of Henry's wives:

Catherine of Aragon: c4

Anne Boleyn: e6

Jane Seymour:a3

Anne of Cleves:d2

Catherine Howard:b1

Catherine Parr:a6

Challenge: Can you plot other items that are valuable to Henry VIII on the grid? Make sure you write the co-ordinates for each item.