Kaka Zadi was born in 1914 in Koya. He was educated as a child and the early death of his father Hama Agha prevented him from continuing his education and taking over the management of his family, but he never stopped studying and educating himself.
Mr. Ziad's attitude towards social and political issues is proof that this man is one of the most intelligent personalities of his time. Mr. Ziad respected the educated and intellectuals and helped his students to complete their studies. Mr. Ziad's political activities began in 1933.
Together with Sabir Ismail, Zaki Ahmad Hanari, Mustafa Khoshnaw and several other activists, he founded the Mutanawirin Association, which became a tool to defend the rights of the Kurdish people.
In the early 1940s, Mr. Ziad played an important role in the Hiwa Party and later in the Rzgari Party. This struggler helped the Mahabad Republic a lot and had a strong relationship with Peshawar Qazi Mohammad.
In 1944, when the Kurdistan Democratic Party (KDP) was founded, he was appointed vice-president of the party at its first congress. In 1947, he represented Koya in the Iraqi parliament. Mr. Ziad has always been among the patriots and has played a leading role in all demonstrations and mass activities.
In 1961, with the outbreak of the September Revolution, Mr. Ziad joined the revolution and served his people and country until 1975. After the collapse of the September Revolution in 1975, Mr. Ziad left political activities and settled in Baghdad. In 1991, when the Kurdish People's Revolution began, Mr. Zadi fled to Iran with his family. He died on 12-04-1991 in Naghdeh.

More information about Kaka Ziad Agha Koya is taken from (Sherwan Kaka Ziad Agha Koya):
Kaka Zadi, son of Hama Agha the great, was born in 1914 in Koya. At the age of six, he became an orphan and his father died In 1930, Instead of his father, he took charge of the diwan and the tribe, his sister (Halima Khani Hama Agha the Great) supervised him for a while. In 1930, at the age of 16, he married Khairia Khan, daughter of Karim Agha Hawezi.
In 1931, he expressed his support for the revolution of Sheikh Ahmadi Barzan. In 1932, he participated in the establishment of the Manawrin Association), In 1939, he married another woman named Dlaram Khatun, daughter of Sheikh Baba Ali Barzanji, in the same year he join Hiwa Party.

In 1942 he joined the Kurdistan Revival Society and in 1943 he expressed his support for Barzani's return to Kurdistan. In 1946 he contacted the chiefs of the southern tribes to help the Kurdistan Republic. In 1946, he became the second deputy of Mullah Mustafa Barzani in the Kurdistan Democratic Party (KDP), while the first deputy was Sheikh Latif Sheikh Mahmoud Hafid.
in 1947 he was elected to the Iraqi parliament as a representative of the Kurdistan Democratic Party.
After the collapse of the Mahabad Republic and the displacement of the Barzanis, 200 Barzani families were sheltered by Kakeziad Agha of Koya in his villages on the slopes of Mount Kosrat.
In the 1948 when the uprising of Iraqi people announced, he announced his resignation from the Iraqi parliament as a condemnation of the Portsmouth Treaty.
On 3/10/1959, the 4th Congress of the Kurdistan Democratic Party (KDP) was held in Baghdad in Kaka Ziad’s house in the presence of 120 members under the supervision of Mullah Mustafa Barzani. He participated in all KDP congresses until 1970. In 1961 he was arrested and taken to Kut until he was released in 1963.
On April 6, 1963, Mullah Mustafa Barzani was the guest of Kakeziad Agha of Koya for 18 days, whithin this period, a national and popular congress was held under the supervision of Barzani for representatives of all four parts of Kurdistan.
After the congress, his palace was burned down by the Iraqi state in 1963 and he moved to Khdran for a while. In 1964, he became a member of the executive council of the Kurdistan Democratic Party.
Kakeziad Agha of Koya participated in all the negotiations during the reign of Mullah Mustafa Barzani in (Koya, Sulaimani, Mawat, Balakaity, Qasrumakosan, Ranya, Khoshnawti, Ghala, Nawprdan).
fter the collapse of the revolution in 1975, he fled to Iran and settled in Mahabad. In 1976, he was forcibly returned to Iraq and settled in Baghdad.
He died on 12/4/1991 in Naghdeh, East Kurdistan, at the age of 77. He was buried in Naghdeh cemetery in August. In 1991, his body was transferred to his hometown of Koya, where he was welcomed by Massoud Barzani, the leader of the Kurdistan Democratic Party (KDP), and buried in the old cemetery.[1]