Examples of websites using
Theinhardt
(Theinhardt is a Sans Serif font designed by François Rappo and released by Optimo in 2009. It is available in multiple styles, including regular and fine optical sizes, with various weights and matching italics)
with
Sabon
(designed by Claude Garamond, Jan Tschichold and Akaki Razmadze and released by Linotype in 1499)