Title: Maria Alekseyevna of Russia
Content:  Tsarevna Maria Alekseyevna (Мари́я Алексе́евна; 18 January 1660 - 9 March 1723) was a Russian Princess, daughter of Tsar Alexis of Russia and Maria Miloslavskaya, sister of Tsar Feodor III of Russia and Tsar Ivan V of Russia and half sister of Tsar Peter the Great.
Title: Maria Alekseyevna of Russia
Content:  Maria Alekseyevna, born in Moscow, was named in honor of her mother, Maria Miloslavskaya. Maria Alekseyevna did not actively participate in the political plots of the Kremlin, but her open passive sympathy for Tsarevna Sophia Alekseyevna, Eudoxia Lopukhina and Alexei Petrovich, Tsarevich of Russia made her relationship with Tsar Peter I tense. She maintained contact with Eudoxia Lopukhina after Eudoxia had been placed in a convent, and passed messages and money between Eudoxia and her son Alexei Petrovich. When Alexei Petrovich left Russia in 1716, she encountered him on the way and conveyed a letter from him to his mother. After the arrest of Alexei in 1718, Maria was taken into custody and accused of having assisted his escape. She was imprisoned in Shlisselburg and then placed under house arrest in Saint Petersburg. She was released in 1721. Maria Alexeyevna outlived all of her sisters and died in 1723, two years before the death of her half-brother. She was buried in the Saints Peter and Paul Cathedral, Saint Petersburg.
Title: Tsarevna Yevdokia Alekseyevna of Russia
Content:  Tsarevna Yevdokia Alekseyevna (Евдокия Алексеевна; 17 February 1650 - 10 May 1712) was the eldest daughter of Tsar Alexis of Russia and Maria Miloslavskaya, sister of Tsar Feodor III of Russia and Tsar Ivan V of Russia and half-sister of Tsar Peter the Great.
Title: Mariya Svistunova
Content:  Mariya Aleksevna was born to the writer and poet, Senator Alexei A. Rzhevsky, and Glafira Ivanovna Alymova, his second wife and a lady-in-waiting. She was the eldest child and only daughter, her name being in honour of the Grand Duchess Mariya Feodorovna. Later four sons were born to the family. The children grew up in a loving and caring environment. Their mother, one of the best graduates of the Smolny Institute, was a high society lady and notable musician. The Rzhevsky fortune was not large, and their financial position entirely depended on the service career of her father, that was developing quite successfully. Rzhevsky's house was a literary and musical salon, where St Petersburg intellectuals gathered. Mikhail Kheraskov, Gavrila Derzhavin and young Vasily Zhukovsky were regular visitors.
Title: Maria Miloslavskaya
Content: 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) 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: 
Title: Maria Miloslavskaya
Content:  Maria Ilyinichna Miloslavskaya (Мария Ильинична Милославская, 1 April 1624 – 1669) was a Russian tsaritsa as the first spouse of tsar Alexis of Russia. She was the mother of tsar Feodor III of Russia, tsar Ivan V of Russia, and the princess regent Sophia Alekseyevna.
Title: Marfa Alekseyevna of Russia
Content:  Tsarevna Marfa Alekseyevna of Russia (Марфа Алексеевна; 26 August 1652 – 19 June 1707) was a Russian princess, daughter of Tsar Alexis of Russia and Maria Miloslavskaya, sister of Tsar Feodor III of Russia and Tsar Ivan V of Russia and half-sister of Tsar Peter the Great. She participated in the rebellion of her sister Sophia against Tsar Peter in 1698, and was therefore imprisoned in a convent. She is an orthodox saint.
Title: Svetlana Alekseeva
Content:  Alekseeva is the mother of Elena Kustarova.
Title: Grand Duchess Maria Alexandrovna of Russia
Content:  Grand Duchess Maria Alexandrovna was born on 17 October 1853 at the Alexander Palace in Tsarskoye Selo. She was the sixth child and only surviving daughter among the eight children of Emperor Alexander II of Russia and his first wife Empress Maria Alexandrovna of Russia, née Princess Marie of Hesse and by Rhine. At the time of her birth, her grandfather, Emperor Nicholas I of Russia, was on the throne and her father was Tsarevich. In 1855, when Maria Alexandrovna was seventeen months old, Nicholas I died and her father became the new Russian Emperor. The grand duchess grew up as the only girl with four older brothers and two younger ones. She 
Title: Maria Alyokhina
Content:  Alyokhina was born on June 6, 1988, in Moscow, Russia. Her mother works as a programmer and her father is a mathematics professor. She was raised by her mother, and only met her father at age 21. During her youth she hated the Russian education system and changed schools four times, "They discourage people from thinking and asking questions, they only teach you to follow the rules and submit without explanation or, most importantly, reason... Obviously I didn’t like that. Who would?"

Question: Who is the mother of Maria Alekseyevna of Russia?
Answer: Maria Miloslavskaya.