Keiko Fukuda was the the highest ranking female in Judo.
Her grandfather taught Jigoro Kano, the founder of Judo, Tenjin Shinyo ryu jujutsu. She herself learned from Kano himself as well as one of his most masterful students, Kyuzo Mifune.
She lived to be 99 and attained a 9th Dan from the Kodokan, the main worldwide Judo organization as 10th Dan from the US Judo organization. She remained active as a teacher until her death in 2013.
Her personal motto was: Be strong, be gentle, be beautiful in mind body and spirit.
Below is a video. Enjoy.