ну видимо да
но как я понял такая фамилия бывает у людей

Sklavenitis was founded in 1954 by Yiannis Sklavenitis (1924–1993) and Spyros Sklavenitis (1927–2006), beginning as a wholesale business in Ano Petralona, Athens. Shortly after its establishment, the company relocated to a privately owned facility on Kifisou Avenue) in Peristeri. In 1967, the company was formally registered as "I. Sklavenitis & Co. General Partnership."

From earlier Σκλαβηνός (Sklabēnós), Σθλαβηνός (Sthlabēnós), ultimately from Proto-Slavic *slověninъ.

Σκλᾰβος • (Sklắbos) m Slav