[5][6] The union of her parents was not considered a good one for her mother, Lady Cornelia; the Guests were seen as parvenus by some members of the more-established gentry.

However, her younger sister had married before her, leading to speculation that Frances was choosy with suitors, wishing instead for a genuine love-match.

[2][7][10] In April 1905, Thesiger succeeded his father as the third Baron Chelmsford, and in July was appointed Governor of Queensland, Australia.

Lord Chelmsford was appointed Governor of New South Wales in 1909, being based in Sydney, a position he retained until 1913.

Lady Chelmsford was responsible for importing 500 rose trees from France to be installed at Government House.

The pair were very pleased with the appointment, especially upon discovering that the income and allowances of the Viceroy was £60,000 per year[12] (equivalent to £6 million present-day).