Yes, I have substantial info on them. Sebastian was the son of Johann Martin Kearstuter who emigrated to America on the ship Molley arriving 9/30/1727. He married Maria Dorothea Frey and had 7 known children of whomSebastian was the first born. Sebastian was born in 1730 and died 3/20/1787. He married Magdalena Diebler and had 7 children. What is your connection to him?