Hi lydia, I thank you for checking, I have been looking for anyof the Van voltenbergs who have the spellling of van voltenberg. Are you with the van voltenberg national society. They have reunions every year, this year it is in Denver Colorado.I am the gggrandaughter of James who's children ar are listed in the Nvvfa Book.and His Son richard vincent is my great grandfather. His so with Matilda Robshaw is my fathers father, I would love to hear from you as we are possibly connected. With the same spolling.