The Visitations of the County of Cornwall - with additions by Lt.-Col. John Lambrick Vivian @ Godolphin of Godolphin, p. 184
The cited information was published by The Herald's Visitations are now available online at:
http://www.uk-genealogy.org.uk/england/Cornwall/visitations/index.html (Ref: Godolphin of Godolphin, p. 184) The author/originator was With Additions by Lt.-Col. John Lambrick Vivian.