Geschichte der Wolgadeutschen

Regarding Huck births from 1889 to 1921, could someone please tell me details of the births of the following family:
Father: Johannes WEIGANDT
BIRTH Huck, Saratov, Russia

DEATH Huck, Saratov, Russia

Mother: Maria Katharina Schnorr
1859–1904
BIRTH 27 SEP 1859 • Dönhof, Saratov, Russia

DEATH AFT. 1904 • Norka, Saratov, Russia

Children:
Georg Johannes Weigandt
1878–

Johannes Weigand
1883–1965


Elisabeth Weigandt
1888–1953

Maria Catharina Weigandt
1891–1891

Edit
Jack Jacob Weigandt
1894–1968

Thank you for any help you can provide.

These dates are unconfirmed, which is why I am seeking confirmation.