Bernardus de Boer born 20 April 1865 Westzaan was my grandfather. (He married in s'Hertogenbosch) and may have had a sister (?Anna de Boer b c 1863 Westzaan).
Bernardus father was Albertus de Boer b 7 Jan 1832 Westzaan.
Albertus father Jan Jansz de Boer b 6 March 1796 Westzaan, Grandfather Jan de Boer and grand mother Trijntje Kat.
Albertus mother was Antje Koning b 22 Jan 1790 Assendelft. Grandfather Jan Pietrsz Koninjg and grandmother gerritje Dirks Vechter.
Bernardus mother was Grietje Bongers 29 Nov 1835 Westzaan,
Grietje father Barend Bongers 25 April 1825 Maarsen. Grandfather gerrit Willem Bongers, grandmother Dirkje van Latum.
Grietje mother Antje de Git.
Please help with more details. thank you. English or Dutch okay.