Peter Harder, born 7 Jan 1786, died 8 Sep 1849
Married 1808
1) Anganetha Tiesen, born 1782, died 1 Aug 1824
Children of this marriage:
Agatha Harder, born 1813, married G Kehler, ref. A50
Peter Harder, born 1816, ref. B17
Jacob Harder, born 1818, ref. B41
Frans Harder, born 8 Jan 1824, baptized 15 May 1844, ref. B57
'Comments: The parents of Peter Harder may be Jacob Harder, born 1750 and Catherine, born 1750. B. H. Unruh, Die niederlaendisch-niederdeutschen Hintergruende der Mennonitischen Ostwanderungen, (Karlsruhe, 1955), page 254.'
"Ref." indicates a reference to a page in this or another church book.
Dates prior to emigration to Canada are assumed to be given according to the Julian ("old world") calendar, which was 12 days behind the Gregorian (modern) calendar in the 1800's.
The Jacob and Catherine Harder referenced in the comments were in Chortitza Colony (Neuendorf #1) in 1802, with son Peter aged 15. But the Peter Harder born 7 Jan 1786 did not immigrate to Chortitza Colony until 1818 (B. H. Unruh, page 217).