Sarah Warren's sister, Mercy Warren married Jonathan DeLanoye.Here are the Delano links to FDR/Eleanor:
Mercy Warren m. Johnathan DeLanoye 1. Mercy Warren m. Jonathan DeLanoye (Delano) 2. Thomas Delano m. Jane Peckham 3. Ephraim Delano m. Elizabeth Cushman 4. Warenne Delano m. Deborah Church 5. Warenne Delano m. Catherine Lyman 6. Sara (Sallie) Delano m. James Roosevelt 7. Franklin Delanor Roosevelt m. Eleanor Roosevelt (she is a cousin to FDR)
Eleanor's grandfather was Theodore Roosevelt's grandaughter.It appears FRD's and Eleanor's common ancestor is Nicholas Roosevelt, b. 10/2/1658 in New Amsterdam, NY.