 Complete the following phrase:  Porter was born in Norwich, a younger son of Edmund Porter, prebendary of Norwich and chaplain to Thomas Coventry, 1st Baron Coventry. His mother was Mary, daughter of Sir Charles Chiborne of Messing Hall, Essex and his first wife Jane Spilman. Much of what we know of his early life comes from his own colourful later account, given to his friend Roger North, which North believed to be largely true. During the 