If you are in Richmond,Va. you can check the Virginia State Library, located on east broad St. or any large city, or county Library system. It is a multi volume st. You will have to look under the name of William H. Brisby. Also, you can take a look at Helen C. Rountree's "Pocahontas People: The Powhatan Indians of Virginia Through Four Centuries." Check the index which will cite Brisby(Brisbon).

We might be related if you are related to Norris Tyler,etc.