Hello Deb, I am also researching the (KAETHLER,KETLER,KESSLER)family. My Great Grandfather's name was JACOB KAETHLER married to KATHARINA DOERKSON.My Grandmother KATHARINA was their oldest daughter. I would really like to hear from you.Maybe we can exchange information,and pictures if we are from the same Kessler line. THANKS. Anne. p.s.NOTE MY NEW ADDRESS.