ˌɔn θˈɜːɾi wˈʌn dʒuːlˈaɪ nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi nˈaɪn, ʃiː mˈæɹid ˌɛltˈiː. kˈɑːl. kˈɑːlɪn kɛpˈɛl dˈeɪvɪdsən, ɐ ɡɹˈændsʌn ʌv wˈɪljəm kɛpˈɛl, sˈɛvənθ ˈɜːl ʌv ˈælbɪmˌɑːɹl, ænd ðeɪ hæd tˈuː tʃˈɪldɹən: dˈʌŋkən hˈɛnɹi dˈeɪvɪdsən bˈiː. nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi wˈʌn ænd hˈæɹiət mˈɛɹi bˈiː. nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi tˈuː, hˌuː mˈæɹid mˈaɪkəl sˈɛfi, ðə kˈɜːɹənt kˈiːpɚɹ ʌvðə ɹˈɔɪəl fɪlɐtˈɛlɪk kəlˈɛkʃən.
On 31 July 1939, she married Lt. Col. Colin Keppel Davidson, a grandson of William Keppel, 7th Earl of Albemarle, and they had two children: Duncan Henry Davidson (b. 1941) and Harriet Mary (b. 1942), who married Michael Sefi, the current Keeper of the Royal Philatelic Collection.