Alternate names and spellings: Grisha, Gregory, German, Herman Datnovskis
Changed name to Dayton after immigration to the USA.

A cousin of Ronya.

Grischa was the son of Moshe (Moritz) and Bertha Datnowksy. He was born in 1887 in Lithuania and resided in Kaunas.

Grisha Datnowsky

Grisha Datnowsky as a young child

(Photo courtesy of Michael Frumkin)

A surgeon, he received a "Temporary Certificate Degree" from Tartu in 1913, according to the directory of Lithuanian Doctors, Pharmacists, & Veterinarians published in Kaunas, 1925 (JewishGen).

Grisha Datnowsky

Grisha Datnowsky as a medical student - sitting, first from the left

(Photo courtesy of Michael Frumkin)

Bertha, Paulina and Grischa Datnowsky

from left to right: Bertha, Paulina and Grischa

(Photo courtesy of Michael Frumkin)

Grischa moved to Berlin in 1920 (source: Michael Frumkin).

Paulina and Grischa Datnowsky

Paulina and Grischa (sitting, first and second from left)

(Photo courtesy of Michael Frumkin)

This photo may have been taken at Grischa's wedding - his wife was Helen.

Grisha Datnowsky

Grisha Datnowsky in Russian uniform - assuming ca. WW1.

Grisha Datnowsky

Grisha Datnowsky

Grisha Datnowsky

Grisha Datnowsky

(Photo courtesy of Michael Frumkin)

Grisha Datnowsky

Grisha Datnowsky

(Photo courtesy of Michael Frumkin)

Medi, Grischa Datnowsky, Tania (?), Ascher Mallah, Lea, Ronya, Bertha, Uly and Gisy. Thuringia, 1922.

Back row: Grischa Datnowsky, Gisy, Uly, Lea, Ronya.
Front row: Medi, Tania (?), Ascher Mallah, Bertha.
Thuringia, 1922.

Grisha Datnowsky

Grisha Datnowsky

Grischa later immigrated to the USA (ca 1929?) and changed his name to Dr Dayton. He lived in New York and was a brain surgeon. He died around 1965 and had no children.

Grischa Dayton (Datnowsky), brain surgeon at Beth David Hospital, New York.

(Photo courtesy of Michael Frumkin)

Special Thanks:
Michael Frumkin, who provided most of the information and photos on Grischa Datnowvsky.

This family history project started September 2009.
All photos and documents belong to the author and are © Daniel Abraham, except for maps and where indicated.
This is a work in progress. Please contact me if you have any more information to contribute.

Last Modified: Sunday, October 15, 2017