Binding agreements were made as early as in 1780, when Frederick Christian was 15 and Louise was only 9 years old.
bˈaɪndɪŋ ɐɡɹˈiːmənts wɜː mˌeɪd æz ˈɜːli æz ɪn wˈʌn θˈaʊzənd sˈɛvənhˈʌndɹɪd ˈeɪɾi, wˌɛn fɹˈɛdɚɹˌɪk kɹˈɪstʃən wʌz fˈɪftiːn ænd luːwˈiːz wʌz ˈoʊnli nˈaɪn jˈɪɹz ˈoʊld.