ˌɔn twˈɛlv dᵻsˈɛmbɚ wˈʌn θˈaʊzənd θɹˈiːhˈʌndɹɪd ˈeɪɾi fˈaɪv, fjˈuː mˈʌnθs ˈæftɚ ðə jˈuːniən ʌv kɹˈuːoʊ, sˈiːmoʊˌɪt ɹˌoʊmən fˈoːɹ, dˈuːk ʌv mæsˈoʊviə, ɹˈiːtʃt ɐ kˈɑːmpɹəmˌaɪz wɪð kˈɪŋ dʒˈædwɪɡə ʌv pˈoʊlənd ænd hɜːɹ ɪntˈɛndᵻd kˈɑːnsɔːɹt kˈɪŋ dʒəɡˈeɪlə dˈʌbəljˌuːlˈeɪdɪslˌɔː ɹˌoʊmən tˈuː dʒˌædʒɪˈɛloʊ, bɹˈʌðɚɹ ʌv ˌælɪɡzˈændɹə.
On 12 December 1385, few months after the Union of Krewo, Siemowit IV, Duke of Masovia, reached a compromise with king Jadwiga of Poland and her intended consort king Jogaila (Władysław II Jagiełło), brother of Alexandra.