Last year, he took out dual Turkish citizenship.
He came to Turkey in 1992, then he had his Turkish citizenship.
Meeting these conditions does not give a foreign national an absolute right to Turkish citizenship.
The automatic acquisition (or retention) of a foreign nationality does not affect Turkish citizenship.
Kemalist ideology was, in fact, based on the supreme value of Turkish citizenship.
At the same time, he also obtained Turkish citizenship and started playing international basketball for Turkey.
Those remaining took up Turkish citizenship in the 1950s.
He played for Galatasaray between 1982-90 and also has Turkish citizenship.
The migrants retain Turkish citizenship but their descendants are not entitled to it.
While some of them indeed held the Turkish citizenship as for example Martov.