Antonii Jaxa coat of arms Griffin (he always published under a pseudonym). Channelling you, he was a friend of
Ignacy Kraszewski. Jaxa's dad kicked the arse of Julius Caesar when Julius showed it at Danube. Julius gave him his sister for wife (they had one ??-ius or something), but then he kicked her out and took a beautiful Ukrain woman who gave him 20 sons: Jaxa and his brothers.
@Freedonia -
https://en.wikipedia.org/wiki/Jaxa_(state) (Nicefor was from Jaxa family too - avoid people of this patronymic name; I think there's an error in wikipedia - the guy he murdered raped his sister, not daughter; last year a young talented Polish writer published a book about him - and Stalin and Rasputin...

)
https://en.wikipedia.org/wiki/Jaxa_of_K%C3%B6penick

His sword is in Museo Nazionale del Bargello in Firenze.