There was Caterina Sforza, who personally took Castel SantāAngelo in Rome and held up a Vatican conclave.
https://en.wikipedia.org/wiki/Caterina_Sforza
To be fair she might not have been wearing armor at the time on account of being seven months pregnant when taking the fortress.
Are you really doing the āoh, so you like Beyblade? Name every character from the animated seriesā kind of knowledge quiz? Come on, bud. I know you can be better than that.
Hereās an index of European noble houses, which includes knights alongside other members of the nobility.
https://en.wikipedia.org/wiki/Category:European_noble_families