[1] He was the first son of Alexis of Russia by his first wife Maria Miloslavskaya, who married the tsar on 16 January (O.S.)
[1] The godmother of the tsarevich was Tsarevna Irina Mikhailovna and the godfather was archimandrite Adrian of the Trinity Lavra of St.
[1] He died suddenly a year later and was buried at the Cathedral of the Archangel in Moscow, Russia.
The inscription on his tombstone says: Лета 7158 октября в 6 день на память святаго апостола Фомы преставися государя царя и великого князя Алексея Михайловича всея Русии сын благоверный царевич князь Димитрий Алексеевич всея Русии в ночи в 11 часу с пятницы на суботу.
[2] In the year 7158 [1649], on October 6, on the day commemorating the holy Apostle Thomas, the sovereign, tsar and grand prince Alexei Mikhailovich of all Russia lost his son, the pious tsarevich, prince Dmitry Alexeyevich of all Russia, at night at the eleventh hour from Friday to Saturday.