I descend from Jan (Johannes) J. Fonda as well. His parents were Johannes Fonda and Susanna Wendel. Johannes' parents were Jan Douwesen Fonda and Maritje Loockermans. Jan Douwesen Fonda's parents were Douw Jellis Fonda and Rebecca Conyn. Douw's parents were Jellis Douwese Fonda and Hester Douwese Jans Van Arentsvelt. Jellis' parents were Douw Fonda and Hilletgen Claesdr. I have more info. on the maternal lines, most of which I have gotten off of the internet. I do have a book that has some info., however.