Erhard Weigel
Gottfriend Leibniz
Jacob Bernoulli
Johann Bernoulli
Leonhard Euler
Josepth Lagrange (no connection*)
Simeon Poisson
Michel Chasles
H. A. Newton
E. H. Moore
Oswald Veblen
Alonzo Church
Dana Scott
William Rounds
Ray Perrault
James Allen
Diane Litman (me!)

*Lagrange didn't have an advisor, but advised students, so the AMS connected him to "intellectual ancestors"