From the Hungarian Wikipedia page [1]
Onestyák Laszlo (Pázmánd June 28, 1938 - Budapest November 22, 1958) Hungarian tool grinder, auxiliary worker,, revolutionary.
He was born on 28 June 1938 in Pázmánd, Fejér county. His mother was a housewife and his father was a bricklayer. He had 8 siblings and 2 adoptive siblings. As long as they were in Pázmánd, their work continued on the Gyula farm. According to some oral testimony László Onestyá may have come from an impoverished Polish count's family.
He completed 6 primary school classes. From 1952 he worked at the Beloiannis factory for a one-year tool-grinding course, and he worked there for six months when he was laid off for work on the pretext of rationalization. He then went to the Horticultural Institute as an auxiliary worker. Then he found employment in the chemical plant at Albertfalva and at the Budafoki enamel factory.
He participated in the 1956 Revolution, joining Berzenczey Street militants led by István Wágner on October 25 and engaging in armed events. After a short time he became a section commander.
On November 4, he fought against the Soviet troops. On November 6, he continued the hopless fight against the Soviets.
He was executed on 22 November 1958.