Ancestor tree for J.F. & Mary Children J.F. & Mary Kobler Children Ancestor Tree (PDF) Here is an ancestor tree for the children of Carl & Elma Kobler … Olive, Leo, Marie, Otto, Raymond. The roots of Elma Paxson Kobler is well documented in the Paxson, Hadley and Holiday lines, dating back as far as the 1500s. Carl & Elma Kobler Children Ancestor Tree (PDF)