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Contribution rules

• No HTML or BBCode. Submissions containing them will be discarded as spam.
• This form is for you to contribute information about the JONKER surname. It isn't a place to request information, or to comment on information already submitted. (If you want to do that, then go to the forum instead).
• Don't just copy and paste content from other websites. It's fine to use other sites as sources for your research and use that information as the basis for what you write, but anything you contribute here must be in your own words.

Please tick this box to show that you understand and agree to these rules.

The following lines are optional, but if you complete all of them then we'll include a link back to your website alongside your contribution. We'll only use your email address if we need to contact you about your contribution - you won't be placed on any mailing list, and it won't be published on the site.

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