In the 17th and 18th century, the Burckhardts intermarried with the other leading families of the Basel patriciate (Iselin, Merian, Sarasin, Staehelin, Vischer, Wettstein).
Wettstein system, system of plant taxonomy developed by Richard Wettstein
Another collation was made by John Jackson and William Tiffin was lent to Wettstein through César de Missy.