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