The Queen required the utmost effort and devotion from her servants, and Jane followed this code of conduct with total deference to her royal mistress. However, her health suffered as a result, and it remained a constant burden throughout her waiting. In a letter from Henry Ponsonby to Sir Thomas Biddulph, another courtier, he reported that Jane ``was principally taken up with her own health''.
Henry Ponsonby
Sir Thomas Biddulph