On 10 June 1883 he married Marie Heyden (born 1863 in Reval), daughter of Governor-General of Finland count Frederick Heyden (1821–1900) and Elisabeth Zubov (1833–1894).
The newly founded cities soon joined the Hanseatic League and formed the "Wendic Circle", with its centre at Lübeck, and the "Gotland-Livland Circle", with its main centre at Tallinn (Reval).
Some of the most renowned works of Kuphaldt are the gardens of the Winter Palace and Oranienbaum in Saint Petersburg as well as locations in Nizhny Novgorod, Dagomys in Sochi, Tsarskoye Selo and Catharinenthal Palace in Reval (now Tallinn).
Ivan Müller, sometimes spelled Iwan Mueller (1786 Reval, Estonia–1854 Bückeburg), was a clarinetist, composer and inventor who at the beginning of the 19th century was responsible for a major step forward in the development of the clarinet, the air-tight pad.
After the same thing happened in Reval, he decided to go to Stockholm, Sweden, where he arrived in the autumn of 1526.
Otto Wilhelm von Fersen (1623, Reval - 1703, Kurna) was a Swedish general and nobleman of the Fersen family, governor general of Ingmermanland and Kexholm from 1691 to 1698, field marshal 1693.