ˈæftɚ ðɪ ˈɜːli dˈɛθ ʌv hɪz mˈʌðɚ, pɹˈɪns ɹˈæŋsɪt ænd hɪz ˈɛldɚ sˈɪstɚ pɹˈɪnsɛs jˈeɪəvˌæbhə bˈɑːŋsɐnˌɪd wɜːɹ ɐdˈɑːptᵻd baɪ kwˈiːn sˈævæŋ vædhˈɑːnə.
After the early death of his mother, Prince Rangsit and his elder sister Princess Yaovabha Bongsanid were adopted by Queen Savang Vadhana.