Washington was totally still alive for the creation of the Federalist and Democratic-Republican parties.

Historian Richard Hofstadter wrote that the Founders “did not believe in parties as such, scorned those that they were conscious of as historical models, had a keen terror of party spirit and its evil consequences”, but “almost as soon as their national government was in operation, [they] found it necessary to establish parties.”

https://en.wikipedia.org/wiki/Political_parties_in_the_United_States