Place of birth: Nigini-Novgorod
Father: Romanov Ioann V Alekseevic
Mother: Saltykova Praskovja Fedorovna
Child: Meklenburg-Sverinskaja Anna Leopoldovna
Note: Tsarevna Ekaterina Ivanovna or Ioannovna (October 29 (November 8) 1691, Moscow - June 14 (25), 1733 [1], St. Petersburg) - the daughter of Tsar Ivan V Alekseevich and Tsaritsa Praskovya Fedorovna Saltykova, elder sister of Empress Anna Ioannovna, niece of the emperor Peter I, the grandmother of John VI, married the Duchess of Mecklenburg-Schwerin.