her widower would never remarry. Issue Alexei's first marriage to Miloslavskaya was harmonious and felicitous. She bore him thirteen children (five sons and eight daughters) in twenty-one years of marriage, and died only weeks after her thirteenth childbirth. Four sons survived her (Alexei, Fyodor, Semyon, and Ivan), but within six months of her death, two of these were dead, including Alexei, the 15-year-old heir to the throne. The couple's children were: Tsarevich Dmitri Alexeevich (1648–1649); crown prince; died in infancy Tsarevna Yevdokia Alekseevna (1650–1712) Tsarevna Marfa Alekseyevna (1652–1707) Tsarevich Alexei Alexeevich (1654–1670); crown prince; died unwed aged 15 Tsarevna Anna Alexeevna (1655–1659); died in infancy Tsarevna Sofia Alexeevna (1657–1704), regent of Russia (1682–89) for her two younger brothers; never married Tsarevna Ekaterina Alexeevna (1658–1718) Tsarevna Maria Alexeevna (1660–1723) Fyodor III (1661–1682); succeeded his father as Tsar of Russia; died childless Tsarevna Feodosia Alexeyevna (1662–1713) Tsarevich Simeon Alexeyevich (1665–1669); died in infancy Ivan V (1666–1696); was co-ruler along with his younger half-brother Peter the Great; father of Empress Anna Tsarevna Yevdokia Alexeevna (1669–1669) References |- |- 1624 births 1669 deaths 17th-century Russian people 17th-century Russian women Russian tsarinas Russian nobility Deaths in childbirth