More Trachsels. I am looking for information on the Trachsel family. I have a Jeanne Louise Trachsel born December 1, 1766 at Iferton, Wadt, Germany who married Jean Louis Simond. I am not positive that her birthplace is correct as they married in Yverdon, Switzerland and their children were born there. Their daughter, Pierrette Marie Louise Simond is our 5th G grandmother. I also have a lithograph of a Frederic Francois Simond which was made by a Trachsel in Yverdon.