 Several warrants authorizing Sir David to pay accounts for the education of the royal children survive.Nicholas Stone the master mason who worked with Inigo Jones recorded David Cunningham to be his "great good friend" and "very noble friend" when he paid for the monument of Sir Thomas Puckering, for Adam Newton's brother-in-law, at St. Mary's Warwick and for Adam Newton's own tomb at St. Luke's Charlton.Cunningham bought clothes in London for his cousin Sir David Cunningham of Robertland to wear in Edinburgh during the coronation visit of King Charles in 1633, following the colours and styles of clothes made by the king's tailor Patrick Black.