Sebastian Grigg, 4th Baron Altrincham British peer (b. 1965) Parents Eliane de Cassagne de Beaufort Anthony Ulrick David Dundas Grigg, 3rd Baron Altrincham Children Katherine Grigg Anthony George Seymour Sebastian Grigg Edward Laurence Dundas De Miramont Grigg Siblings Anne Casilda Grigg Steven Thomas Grigg Partners Rachel Sophia Kelly
