bˈɜːdʒɚɹ ænd hɪz wˈaɪf mˈɑːɹθə ʌv dˈɛnmɑːɹk wɜː kˈæptʃɚd baɪ ðə dˈuːks, ænd wɜːɹ ɪmpɹˈɪzənd ɪnðə dˈʌndʒən ɪn nˈaɪkɜːpɪŋ kˈæsəl.
Birger and his wife Martha of Denmark were captured by the dukes, and were imprisoned in the dungeon in Nyköping Castle.