JP Karl ( Karol ) Berggrün, the son of JP Daniel Berggrün and JP Anna Dorothea Berggrün born Luther,  was born approx. 1801 in Kedainiai/ Lithuania. He became in 1826 the teacher, docent, cantor and organist in Nemunelio Radviliskis. An idyllic country town on the banks of the Nemunelis River in the district of Birzai in northern Lithuania, near the border with Latvia.
Karl Berggrün was married to JP Emilia Berggrün born Judkiewicz. Their daughter Olga Emilia Berggrün was born April 16, 1830. Olga Emilia passed away on May 8, 1831, at the age of 13 months and was buried at the town's cemetery. The following year on Feb.5, 1832 Emila gave birth to their daughter Amalia Julianna.

On Aug. 24, 1833 their son Adam Olgierd ( Olgert ) was born and baptized on Sep. 3, 1833 at the evangelical reformed church in Nemunelio Radviliskis. He went to school in the town of Birzai/ Lithuania. Later Adam Olgierd married Karolina Berggrün born Fomin. They had two children, a son, Petrus and a daughter, Amelia was born on Jan. 22, 1865. Amelia married Onni Woldemar Alexander von Schoultz, born on Nov. 3, 1848, in Helsinki, Finland. Son of Lieutenant Colonel Constantin Nils von Schoultz and Dorothea Helena Strohbinder, the daughter of an Austrian merchant. Onni Wlodemar's was the grandson of Karl Gustaf von Schoultz a Finnish Major and the commander of Svartholma Sea Fortress.
Onni Woldemar Alexander and Amelia von Schoultz and moved to Kiev/ Russia where their daughter Aina Maria Amelia was born on Feb. 27, 1884. Onni Woldemar Alexander von Schoultz died two months later on April 14, 1884. Prior to settling in Finland the von Schoultz family were Baltic - Germans living in Lithuania/ Livland.

In 1835 Karl ( Karol) Berggrün became ill with Tubercolosis and passed away on April 20, 1835, at the age of 34 years. Leaving his wife Emilia behind caring his child. Regina Konstancia was born on Oct. 3, 1835.
In the next years, Emilia raised the children by herself with some help from the family. Mateus Eduard being close to his brother Karl and his family, moved with his wife Amalie to the nearby town of Velikionys. Emilia Berggrün became the Godmother of Mateus Eduard's and Amelia's first child, Emilia born on Jan, 21, 1837. Emilia was named after her Godmother.
On Feb. 13, 1838, Emilia Berrgrün, widow of Karl Berggrün, married JP Josef Czaprakowicz at the evangelical reformed church in Nemuelio Radviliskis.