Background
He was born around 1520 as the sixth and youngest child of Lénárt Ghyczy and Sára Waghy.
He was born around 1520 as the sixth and youngest child of Lénárt Ghyczy and Sára Waghy.
He served in Kapuvár as familiaris of Tamás Nádasdy in 1558. He entered the royal service in 1562. he became cavalry lieutenant with 26 horses in the Castle of Gyula in 1564. In the next year he fought against the united Transylvanian-Ottoman Army, led by John Sigismund Zápolya and Pasha Hassan, alongside the garrison of Gyula and Lazarus von Schwendi"s army.
He seriously wounded from a lance.
After the fall of the castle (September) he survived the massacres and fled to Transylvania. He entered into the service of Prince John Sigismund Zápolya who gave him Csókfalva (today part of Ghindari, Romania) and Bede (today: Bedeni, Romania) in Marosszék (later: Maros-Torda County).
Ghyczy served as Captain General of Várad from 1576 to 1585. After that he was appointed Governor of Transylvania besides the underage Sigismund Báthory.
However, the Ottoman Porte prevented the coup d"état of Báthory and confirmed Ghyczy in his position.
He resigned due to illness in the Diet of Medgyes (today: Mediaș, Romania) in December 1588. He died soon afterwards. He was buried in the Gyulafehérvár Cathedral on 21 January 1589.
He defended Gyula which besieged by the troops of Pasha Pertaf in July 1566.
He was also a member of the Royal Council between 1585 and 1589.