Did Bill Gates grandfather Frederick kill Millions of People in 1918 with his Flu Vaccine?

Someone surnamed Gates also killed millions of people in 1918 from a vaccine. From Fall of the Cabal by the late Janet Ossebaard (series link below)

Answers, Is Bill Gates related to Frederick Gates?
https://www.answers.com/technology-companies/Is_Frederick_T_Gates_related_to_Bill_Gates

Fall of the Cabal: https://www.fallcabal.com/the-documentaries/