ɐmˌʌŋ ðə ɡˈɛsts wɜː hɪz tˈuː bɹˈʌðɚz dˈuːk vˈældᵻmɚ ænd dˈuːk ˈɛɹɪk, hˌuː lˈeɪɾɚ ðæt nˈaɪt wɜːɹ ɪmpɹˈɪzənd ænd sˈʌbsᵻkwəntli stˈɑːɹvd tə dˈɛθ ɪnðə dˈʌndʒən ʌv nˈaɪkɜːpɪŋ kˈæsəl.
Among the guests were his two brothers Duke Valdemar and Duke Eric, who later that night were imprisoned and subsequently starved to death in the dungeon of Nyköping Castle.