Christian Albrecht Gruber

"Deutschland Geburten und Taufen, 1558-1898", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:NC35-XD4 : 25 October 2021), Christian Albrecht Gruber, 1849.

Heirat Gruber & Korn

"Deutschland Heiraten, 1558-1929", database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:J4NQ-YBC : 26 October 2021), Karoline Marie Barbara Schiller Korn in entry for Christian Albrecht Gruber, 1901

"Deutschland, ausgewählte evangelische Kirchenbücher 1500-1971," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QP2N-T2M6 : 26 October 2021), Christian Albrecht Grüber, 25 Jun 1901; images digitized and records extracted by Ancestry; citing Marriage, Stuttgart, Stuttgart, Württemberg, Deutschland, Stuttgart, German Lutheran Collection, various parishes, Germany.