Am looking for confirmation on siblings, parents and grandparents for Kornelius Kethler, b. 2 August 1863 N. Chortiza, (Russia) son of Franz Kethler and Agnetha Nickel.lst marriageMargaret(ha?) Giesbrecht c. 1888 possibly Neuendorf, S. Russia;2nd marriage Katharine Driedger (nee Vogt) c. 1921, S. Russia.emigrated to Canada 1923 & settled at Kelstern, Sask. Name changed to Ketler in Canada. Also, any info about Margaret(ha?), his first wife.