Talk:Second Bulgarian Empireball/@comment-36177518-20180723201517/@comment-1189400-20181028193449

That formulation is only ever seen in Romanian historiography. It's unclear if Wallachia and/or Moldova were included in a joint empire with Bulgaria or were vassal to it or allies (some Bulgarian maps include them as vassal territories until the end of the Asen dynasty, and some sources mention Ivan Alexander in the mid-13c. having his guards stationed in Brasov, but Wallachia proclaimed independence in 1330 iirc). There was definitely some connection, and some members of the Asen royal family buried at Tarnovo have names and sigils similar to the House of Basarab in Moldova.